Construction of asymptotics of the solution for a system of singularly perturbed equations by the method of essentially singular functions
Vìsnik. Serìâ Fìziko-matematičnì nauki/Vìsnik Kiì̈vsʹkogo nacìonalʹnogo unìversitetu ìmenì Tarasa Ševčenka. Serìâ Fìziko-matematičnì nauki