TY  - BOOK
AU  - Nemytski, V. V.,
AU  - Stepanov, V. V.,
TI  - Qualitative theory of differential equations
SN  - 9780486659541
U1  - 515.35  NEM 
PY  - 1989///
CY  - New York
PB  - Dover Publication
KW  - Analysis
KW  - Differential equations
KW  - Dynamics
N1  - Includes bibliographies.
ER  -