nekorkin Vladimir I. Introduction to Nonlinear oscillations nekorkin Vladimir I. - Boschstr Higher Education Press 2015 - xi,250p. cm. ISBN: USD 95.00 Standard No.: 133647 Source: 043, 08/03/2017, Excel Book International Textual Subjects--Topical Terms: I I C Dewey Class. No.: B7:5, Q5