TY  - BOOK
AU  - Pontri︠a︡gin,L.S.
TI  - Ecuaciones diferenciales ordinarias
T2  - Colección Ciencia y técnica
SN  - 840320230X
PY  - 1973///
CY  - Madrid
PB  - Aguilar
KW  - Differential equations
KW  - Local
N1  - Translation of: Obyknovennye different︠s︡ial'nye uravenii︠a︡; Issued also in French under title: Équations différentielles ordinaires; Includes index
ER  -