00602nam a2200193 a 450000500170000002000150001708200170003210000060004911000220005524500400007726000450011730000220016249000550018469000450023996400160028499700190030099900190031995200700033820251203110904.0  a0821830090  a515.253bPRO  d_  aSteckin, S.B, ed.  aApproximation of periodic functions  aUSAbAmerican Mathematical Societyc1974  a132p.c18 cm.bPB  aProceedings of the stelov institute of mathematics  aPeriodic functions, Approximation theory  bcdefg_  a131037 LIBSC C  c106328d106328  00104070aPUbPUd2008-05-10g23.75l0o515.253 PROp131037yBK