TY  - BOOK
AU  - Perelman, Yakov 
AU  - Gopalakrishnan(tr.)
TI  - BHAUTHIKAKAUTHUKAM : / ഭൗതീക കൗതുകം
U1  - S 
PY  - 1978///
CY  - Moscow
PB  - Progress Publishers
KW  - Samanya sastram
ER  -