000 00248nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aA K Jain
245 0 _aVyaavsaik Sankhyaki
260 _aN D
_bDhanpat Rai
_c2003
650 _aMath
942 _cBK
999 _c11356
_d11356