000 00244nam a22001217a 4500
999 _c41964
_d41964
003 OSt
100 _aSharma, R D
245 _aMathematics
260 _aNew Delhi
_bDhanpat Rai
_c2009
300 _a16.36p.
901 _a1164DON
942 _2ddc
_cBK