@article{ISU_2021_21_1_a9, author = {A. A. Nazarov and S. V. Paul and O. D. Lizyura}, title = {Heavy outgoing call asymptotics for $\mathrm{MMPP|M|1}$ retrial queue with~two way communication and multiple types of outgoing calls}, journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics}, pages = {111--124}, publisher = {mathdoc}, volume = {21}, number = {1}, year = {2021}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/ISU_2021_21_1_a9/} }