000 00259nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aS P Jain awam anya
245 0 _aLaagat lekhankan
260 _aNew Delhi
_bKalyani Pub
_c1988
650 _aMath
942 _cBK
999 _c6546
_d6546