TY  - BOOK
T1  - Elementary partial differential equations
T2  - Holden-Day series in mathematics nHolden-Day series in mathematics pHolden-Day series in mathematics pHolden-Day series in mathematics
A1  - Berg, Paul W.
LA  - English
PP  - San Francisco
PB  - Holden-Day
YR  - 1966
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217607730609
OP  - 421
CN  - QA374 B47 1966
KW  - Differential equations, Partial.
ER  -