(Riesz) (. 16.11.1886, ), . , . , 1911 . , ø (1904-10). 1911-27 , 1927 . , , , , .

.: The general theory of Dirichlet's series, Camb., 1915 ( G. . Hardy); . . - , " ", 1950, . 5, . 5 (39).

: