Bernfeld Stephen R Introduction to nonlinear boundary value problems Bernfeld Stephen R; Lakshmikanatham V - New York Academic Press 1974 - xi, 386p. cm. - Mathematics in Science and engineering; 109 . Standard No.: 22725 Source: Textual Subjects--Topical Terms: Nonlinear theorie sBoundary value problem Dewey Class. No.: B331, L4