000 00291nam a2200121Ia 4500
090 _c2636
_d2636
100 _aSen,R.N.
245 _aCouse of geometry.
_cR.N.Sen
260 _aCalcutta:
_bUniversity,
_c1953.
300 _axxxviii, 387 p.;
_c26 cm.
650 _aCoordinate Geometry
942 _cBK
999 _c2535
_d2544