Title: Priblizhennye i kachestvennye metody teorii different︠s︡iaʹl no-funkt︠s︡ionaʹl nykh uravneniĭ : sbornik nauchnykh trudov /
Authors: Sharkovskiĭ, A. N.; Instytut matematyky (Akademii︠a︡ nauk Ukraïnsʹkoï RSR)
Publisher: Institut matematiki AN USSR,
Year: 1983
Subjects: Functional differential equations.