TY - JOUR AU - Madheswari, S. Pavai AU - Krishna Kumar, B. AU - Suganthi, P. TI - Analysis of M/G/1 retrial queues with second optional service and customer balking under two types of Bernoulli vacation schedule JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2019 SP - 415 EP - 443 VL - 53 IS - 2 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2017029/ DO - 10.1051/ro/2017029 LA - en ID - RO_2019__53_2_415_0 ER -