9470
9471
9480
9478
9475
9474
9473
9472
Ayres, Frank
1091-
Schaum's outline of theory and problems of differential equations
New York
Schaum
]1952[
296p.: ill
Frank Ayres
Problems, exercises, etc ، Differential equations
QA
371
.
A9
AU
TI
CL
CL
CL
CL
CL
CL
CL
CL
