Gross, Bernhard, 1905- Singularities of linear system functions / by Bernhard Gross and Elde Pires Braga. - Amsterdam ; New York : Elsevier Pub. Co., c1961. - 90 p. : illus. ; 19 cm. Includes bibliography. Subjects--Topical Terms: Mathematical physics.Electric networks.Linear systems. Dewey Class. No.: 537.6 / GRS 1961