000 00230nam a2200109Ia 4500
020 _a978810305502
082 _a519.5
100 _aPOTTER, C.MERIE
245 _aMATHEMATICAL METHODS
260 _aNEW DELHI
_b PHI
_c1987
942 _cBK
999 _c5550
_d5550