000 00389nam a2200181 4500
020 _a
_c
082 _a530.15 VER-M
100 _aVerma, P D S
245 _aMathematical physics
250 _a
260 _aVikas Publishing House Pvt. Ltd., New Delhi
_c1997
300 _a816
490 _a
500 _a
590 _arvr
_b
_c
650 _aMathematical physics
942 _cBK
999 _c481054
_d481054