Cartwright M L Ed. Contributtions to the theory of nonlinear oscillations Cartwright M L Ed.; Lefschetz S Ed.; Coddington E A Ed.; Levinson N Ed.; Debaggis H F Ed.; McCarthy J Ed.; Turrittin H L Ed. - 1952 - p. cm. Standard No.: 24725 Source: Textual Subjects--Topical Terms: Mechanics Dewey Class. No.: B7:5, J0.2-;1