000 00350nam a2200121Ia 4500
008 240112s9999 xx 000 0 und d
082 _aGUP-A
_b530.12
100 _aGupta, S L; Gupta, I D
245 0 _aAdvanced quantum theory and fields
260 _a New Delhi
_bS Chand & Company Pvt. Ltd.
_c1982
650 _aQuantum mechanics; Physics
942 _cBK
999 _c1117
_d1117