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082 _a510.05
_bMAH-M
100 _aMahabir Singh,
245 0 _aMathematics Today
260 _bKrishna Prakashan
_aMeerut
630 _xReference Reading Room
650 _aGeneralia
_vNATURAL SCIENCES AND MATHEMATICS
942 _cBOOK
999 _c127155
_d127155