TY  - BOOK
AU  - RAINVILLE,EARL D.
AU  - BEDIER,PHILLIP E.
AU  - BEDIER,RICHARD E.
TI  - elementary differential equations / 
SN  - 135080118
U1  - 515.3/RAI 
PY  - 1960///.
CY  - New York : 
PB  - mcgraw-hill book co., 
KW  - calculus.
ER  -