Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
515.355 L495(5) 57033
Contributions to the theory of nonlinear oscillations Princeton Univ Press 1960 V 5 * Nonlinear oscillations * Lefschetz S, ed. * Title