TY  - BOOK
T1  - Boundary and eigenvalue problems in mathematical physics.
A1  - Sagan, Hans
LA  - English
PP  - New York
PB  - Wiley
YR  - 1961
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217607730694
OP  - 381
NO  - Includes bibliography.
CN  - QA401 S24 1961
KW  - Boundary value problems.
KW  - Mathematical physics.
ER  -