TY  - BOOK
AU  - Ėlʹsgolʹt︠s︡, L. Ė.
TI  - Introduction to the theory of differential equations with deviating arguments / 
AV  - QA371 .E3813
U1  - 517.38 
PY  - 1966///
CY  - San Francisco : 
PB  - Holden-Day
KW  - Differential equations
N1  - Translation of Vvedenie v teorii︠u︡ different︠s︡ialʹnykh uravneniĭ s otkloni︠a︡i︠u︡shchimsi︠a︡ argumentom; Includes bibliographical references and index
ER  - 
