%0 Journal Article %A A. S. Gonchenko %A S. V. Gonchenko %A L. P. Shilnikov %T Towards scenarios of chaos appearance in three-dimensional maps %J Russian journal of nonlinear dynamics %D 2012 %P 3-28 %V 8 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2012_8_1_a0/ %G ru %F ND_2012_8_1_a0