TY  - BOOK
T1  - Perspectuives in mathematics
A1  - Penney, David E.
LA  - English
PP  - Menlo Park, Calif.
PB  - W. A. Benjamin
YR  - 1972
UL  - https://tuklas.up.edu.ph/Record/UP-8027390931312345132
OP  - 349
CN  - QA39.2 P44 1972
KW  - Mathematics : 1961-
ER  -