000
00276nam a2200121Ia 4500
008
151205s9999||||xx |||||||||||||| ||und||
020
_c
0
100
_a
GUPTA,B.D.
245
_a
MATHEMATICAL PHYSICS
260
_c
1987
_b
vikas
650
_a
MATHEMATICAL PHYSICS
942
_c
BK
999
_c
280302
_d
280302