000 00322nam a2200133Ia 4500
008 130629s9999 xx 000 0 und d
082 _a530.15 GUP-M
100 _aGupta , B D
245 _aMathematical Physics
260 _bVikas Publishing House
_c1978
_aNew Delhi
300 _a1240
650 _aPhysics
942 _cBK
999 _c17580
_d17580