海量图书期刊资源,随时随地畅享阅读乐趣
Invariant curves around a parabolic fixed point at infinityAharonov, Dov; Elias, Uri · Ergodic Theory and Dynamical Systems · 1990
Discrete Sturm comparison theorems on finite and infinite intervalsAharonov, Dov; Bohner, Martin; Elias, Uri · Journal of Difference Equations and Applications · 2012
Parabolic fixed points, invariant curves and action-angle variablesAharonov, Dov; Elias, Uri · Ergodic Theory and Dynamical Systems · 1990