(1)
Harutyunyan, H. S.; Igityan, H. H. ON INCREASING HAZARD RATE OF WAITING TIME IN THE $M |G|1|\infty|$ MODEL. Proc. YSU A: Phys. Math. Sci. 2009, 43 (1 (218), 24-28. https://doi.org/10.46991/PYSUA.2009.43.1.024.