000 00290nam a2200109Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aBrahmagupta
245 0 _aKhanda Khadyakam
260 _bUniversity of Calcutta
_aCalcutta
_c1925
942 _c1
999 _c8517
_d8517