000			00316nam a22001457a 4500
003			AUM
020			_a9789393059861
082			_a530.15/CHA/23
100			_aChattopadhya, P.K.
245			_aMathematical Physics
250			_a2023
300			_a356
310			_aNew Age International Publishers
942			_2ddc _cBK
999			_c8941 _d8941