Sario, Leo Classification theory of Riemann surfaces by L. Sario and M. Nakai. - Berlin Springer-Verlag 1970 - xx, 450 p. ; 24 cm - Die Grundlehren der mathematischen Wissenschaften ; Band 164 . Includes bibliographical references and indexes. Subjects--Topical Terms: Riemann surfacesMathematics Dewey Class. No.: 515.9 / SAR/C