%0 Journal Article %A H. S. Harutyunyan %A H. H. Igityan %T On increasing hazard rate of waiting time in the $M|G|1|\infty$ model %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2009 %P 24-28 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2009_1_a4/ %G en %F UZERU_2009_1_a4