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 28519
Contributions to the theory of nonlinear oscillations Princeton Univ Press 1950 V 1 * Calculus Oscillations * Lefschetz S, ed. * Title