000 00307pam a2200133 a 4500
020 _c
041 _aeng
082 _a530.15
_bCHA
100 _aChattopadhyaya P.K.
245 _aMathematical Physics
_hTextual Documents
260 _aNew Delhi
_bWiley Publication
_c1990
300 _a352p.
930 _a14550
999 _c91450
_d91450