Alexit, Gyorgy, 1899- Convergence problems of orthogonal series / by Gyorgy Alexit ; tr anslated by I. Foldes. - Budapest : Pub. House of the Hungarian Academy of Sciences, 19 61. - 350 p. ; 22 cm. Includes bibliographical references (p.339-347) and index Subjects--Topical Terms: Convergence.Series, Orthogonal. Dewey Class. No.: 517.35