00431nam a22001457i 4500001001000000005001700010008004100027082002100068100002300089245004700112260006600159300001700225650002500242020001800267SXC02696820260819093814.0260101s2004    ii            000 0 eng d  a530.15 CHA-M222  aChattopadhyay, P K10aMathematical physics /cChattopadhyay, P K  abNew Age International Publishers (P) Ltd., New Delhi,c2004  ap. ;c22 cm. 0aMathematical physics  a9789812701862