@unpublished{KiselevTarkhanov2012, author = {Oleg M. Kiselev and Nikolai Nikolaevich Tarkhanov}, title = {Scattering of autoresonance trajectories upon a separatrix}, institution = {Institut f{\"u}r Mathematik}, series = {Preprints des Instituts f{\"u}r Mathematik der Universit{\"a}t Potsdam}, number = {1 (2012) 2}, year = {2012}, }