TY  - BOOK
AU  - Biler, Piotr
AU  - Nadzieja, Tadeusz
TI  - Problems and examples in differential equations
U1  - 515.35  BIL-P;1 
PY  - 1992///
CY  - Marcel Dekker, INC. New York
KW  - Differential equations-- Analysis-- Mathematics
ER  -