TY  - BOOK
T1  - Operational mathematics
A1  - Churchill, Ruel Vance, 1899-
LA  - English
PP  - New York
PB  - McGraw-Hill Book Co., Inc.
YR  - 1972
ED  - 3d ed.
UL  - https://tuklas.up.edu.ph/Record/UP-99796217607730834
OP  - 481
CN  - QA432 C45 1972
SN  - 0070108706% 0070108706% 0070108706
KW  - Calculus, Operational 0 : Differential equations.
KW  - Integral transforms.
ER  -