Correction to: Equilibrium customer behavior in the M/M/1 retrial queue with working vacations and a constant retrial rate.

Nam H. Do Tien Van Do 0001 Agassi Z. Melikov Correction to: Equilibrium customer behavior in the M/M/1 retrial queue with working vacations and a constant retrial rate. 647 2020 20 Oper. Res. 2 https://doi.org/10.1007/s12351-019-00520-1 db/journals/or/or20.html#DoDM20a