TY  - BOOK
T1  - Qualitative theory of diferential equations
A1  - Nemytskii, V. V.
A2  - Stepanov, V. V.
LA  - English
PP  - New York
PB  - Dover
YR  - 1989
UL  - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dfi.12249
OP  - 522
SN  - 0486659542
KW  - ECUACIONES DIFERENCIALES
ER  -