000 00286nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aSingal.M.K
245 0 _aDismathematics-Sets And Numbers
260 _bRchand And Company
300 _a136p
650 _aMathematics
942 _cBK
999 _c30769
_d30769