Alexits, G. 1899- Convergence problems of orthogonal series / by G. Alexits, translated from German by I. Foldes - Oxford : Pergamon Press, 1961 - ix, 350 p. ; 22 cm. - International series of monographs on pure and applied mathematics ; v. 20 . Includes index Bibliography: p. 339-347 ISBN: £ 5.00 Subjects--Topical Terms: ConvergenceSeries, OrthogonalHarmonic functions Dewey Class. No.: 517.35