Vojtâaések, Stanislav, 1924- Solution of non-linear systems / Stanislav Vojtasek, Karel Janac; [Translated by Pavel Dolan]. - Prague : London : Academia ; Iliffe books, 1969. - 246 p. : ill. ; 25 cm. Includes bibliographical references ( p. 235-238) and index LCCN: 76-405280 Subjects--Topical Terms: Nonlinear theories.Differential equations. Dewey Class. No.: 517/.6