Nonlinear partial differential equations : a symposium on methods of solution / [Contributors: W. F. Ames and others], edited by W. F. Ames. Ames, William F., ed. University of Delaware. Differential equations, Partial. Differential equations, Nonlinear. QA374 .N6 510 AMN "Seminar ... assembled at the University of Delaware, Newark, Delaware, December 27-29, 1965, for this review of the present state of the subject." Includes bibliographies. New York, Academic Press, 1967. 1967. 1967 Text xv, 316 p. : eng