Title: Teorii︠a︡ different︠s︡ialʹnykh uravneniĭ s otkloni︠a︡i︠u︡shchimsi︠a︡ argumentom : trudy /
Authors: Universitet druzhby narodov imeni Patrisa Lumumby.
Publisher: Universitet,
Year: 1977
Subjects: Differential equations.