TY - SER AU - Chattopadhyay,Joydev . TI - Bulletin of the Calcutta Mathematical Society (2012) / U1 - 510.5 PY - 2012/// CY - Kolkata : PB - Calcutta Mathematical Society , KW - MATHEMATICS-PERIODICALS N1 - Frequency: Bi-monthly. ISSN: 0008-0659. Abstract journal. Issue lacks: No.3(2012); Includes bibliographical references ER -