000 00258nam a2200097Ia 4500
008 190719s9999 xx 000 0 und d
245 0 _aSankhyiki paribhasha kosh
260 _aDelhi
_bDelhi Vishawvidyalaya Hindi Nirdeshalaya
_c1981
650 _aMath
942 _cBK
999 _c7857
_d7857