000 00286nam a2200109Ia 4500
008 160710s1968 xx 000 0 und d
100 _aBASU,N.M.
245 _aBULLETIN OF THE MATHEMATICAL SOCIETY
260 _bTHE CALCUTTA MATHEMATICAL SOCIETY
_c1968
300 _a192
942 _2ddc
_cB
999 _c34302
_d34302