TY  - BOOK
AU  - Waltman,Paul
TI  - A second course in elementary differential equations
SN  - 0127339108
PY  - 1986///
CY  - Orlando: 
PB  - Academic press, 
KW  - ECUACIONES DIFERENCIALES
KW  - INIST
KW  - ECUACIONES VARIACIONALES LINEALES
KW  - BOUNDARY VALUE PROBLEMS
KW  - MAPPING
ER  -