000 00231nam a2200109Ia 4500
020 _a8174968229
082 _a519.5
100 _aGOEL AJAY
245 _aMATHEMATICS AND STSTISTICS
260 _aNEW DELHI
_b TAXMAN
_c2004
942 _cBK
999 _c3221
_d3221