TY  - BOOK
AU  - Grechko L G
AU  -  Sugakov V I
TI  - Problems in theoretical physics
U1  - C:b1, L7 
PY  - 1977///
CY  - Moscow
PB  - M Pub.      
KW  - Physics
N1  - Tr from the Russian by Engene Yankovsky
ER  -