Krasnoselskii, M. A. Nonlinear almost periodic oscillations / by M.A. Krasnoselskii, V. Sh. Burd and Yu. S. Kolesov ; translated from Russian by A. Libin ; translation edited by D. Louvish. - New York : John Wiley, 1973. - x, 326 p. ; "A Halsted Press book." ISBN: 0470507004 Subjects--Topical Terms: Oscillations. Dewey Class. No.: 515.35 / No