00509nam a2200181Ia 4500082002100000100001600021245004800037260002700085300002000112490003300132500000500165690000600170700000500176952010200181964001700283921001000300999001700310  a515.55bAl384.CP  aAlexits, G.  aConvergence problems of orthogonal seriesb  aOxfordbPergamonc1961  aix, 350p. Index  aPure and Applied Mathematics  a  a   a  001040718RaISIbISId1998-11-17l0o515.55 Al384.CPpR85r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a17960  c17960d17960