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- On the skewness of order statistics in multiple-outlier PHR models. Metrika 2016. 79:817-836 .
- Comparisons of Largest Order Statistics from Multiple-outlier Gamma Models. Methodology and Computing in Applied Probability 2015. 17:617-645 .
- On the maxima of heterogeneous gamma variables with different shape and scale parameters. Metrika 2014. 77:811-836 .
- Comparisons of $k$-out-of-$n$ systems with heterogenous components. Statistics & Probability Letters 2013. 83:493-502 .
- A note on the stochastic properties of a scale change random effects model. Statistics & Probability Letters 2013. 83:2407-2414 .
- On a mixture representation of the conditional inactivity time of a coherent system. Statistics & Probability Letters 2013. 83:2297-2307 .
- Allocation of two redundancies in two-component series systems. Naval Research Logistics (NRL) 2013. 60:588-598 .
- Competing Between Two Groups of Individuals Following Frailty Models. Methodology and Computing in Applied Probability 2012. 14:1033-1051 .
- On parallel systems with heterogeneous gamma components. Probability in the Engineering and Informational Sciences 2011. 25:369-391 .
- Dispersive ordering of fail-safe systems with heterogeneous exponential components. Metrika 2011. 74:203-210 .
- New results on comparisons of parallel systems with heterogeneous gamma components. Statistics & Probability Letters 2011. 81:36-44 .
- MRL ordering of parallel systems with two heterogeneous components. Journal of Statistical Planning and Inference 2011. 141:631-638 .
- Right Spread Order of the Second-Order Statistic from Heterogeneous Exponential Random Variables. Communications in Statistics: Theory and Methods 2011. 40:3070-3081 .
- On reversed hazard rate in general mixture models. Statistics & Probability Letters 2010. 80:654-661 .
- A note on DRHR preservation property of generalized order statistics. Communications in Statistics: Theory and Methods 2010. 39:815-822 .
- On hazard rate ordering of the sums of heterogeneous geometric random variables. Journal of Multivariate Analysis 2010. 101:44-51 .
- Ordering properties of convolutions of heterogeneous Erlang and Pascal random variables. Statistics & Probability Letters 2010. 80:969-974 .
- On the mixture of proportional odds models. Communications in Statistics: Theory and Methods 2010. 40:333-344 .
- The composite absolute penalties family for grouped and hierarchical variable selection. The Annals of Statistics 2009. 37:3468-3497 .
- Characterization of MRL order of fail-safe systems with heterogeneous exponential components. Journal of Statistical Planning and Inference 2009. 139:3027-3037 .
- Stochastic order of sample range from heterogeneous exponential random variables. Probability in the Engineering and Informational Sciences 2009. 23:17-29 .
- Stochastic comparison and monotonicity of inactive record values. Statistics & Probability Letters 2009. 79:566-572 .
- Stochastic comparisons and properties of conditional generalized order statistics. Journal of Statistical Planning and Inference 2009. 139:2920-2932 .
- Likelihood ratio ordering of convolutions of heterogeneous exponential and geometric random variables. Statistics & Probability Letters 2009. 79:1717-1723 .
- Mean residual life order of convolutions of heterogeneous exponential random variables. Journal of Multivariate Analysis 2009. 100:1792-1801 .
- Conditional ordering of $k$-out-of-$n$ systems with independent but nonidentical components. Journal of Applied Probability 2008. 45:1113-1125 .
- Conditional ordering of k-out-of-n systems with independent but nonidentical components. Journal of Applied Probability 2008. 45:1113-1125 .
- Likelihood Ratio Order of m-Spacings in Multiple-Outlier Models. Communications in Statistics: Theory and Methods 2007. 36:1507-1525 .