000 00292nam a22001097a 4500
005 20201120155909.0
008 201120b ||||| |||| 00| 0 eng d
022 _a2231-5314
245 _aJournal of the Calcutta Mathematical Society
260 _b:Calcutta Mathematical Society
_c,
942 _cJU
_s1
999 _c282
_d282