TY  - BOOK
AU  - Kells,Lyman Morse
TI  - Elementary differential equations
SN  - 070335303
AV  - QA371 K4 1965
U1  - 517.38 
PY  - 1965///]
CY  - New York
PB  - McGraw-Hill
KW  - Differential equations
KW  - ?Equations diff?erentielles
N1  - Bibliographical footnotes
ER  -