000 00291nam a2200121Ia 4500
090 _c2644
_d2644
100 _aChatterjee,B.C.
245 _aElements of calculas .
_cB.C. Chatterjee
260 _aCalcutta:
_bDasgupta,
_c1957.
300 _aix,293 p.;
_c20 cm.
650 _aCalculas
942 _cBK
999 _c2543
_d2552