000 00268nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aO P Chug & others
245 0 _aTopics in mathematics (B A/B Sc I)
260 _aNew Delhi
_bLaxmi Pub
650 _aMath
942 _cBK
999 _c9447
_d9447