%0 Journal Article %A S. M. Churilov %T Nonlinear evolution of three-dimensional unstable disturbances in a sharply stratified shear flow with an inflection-free velocity profile %J Russian journal of nonlinear dynamics %D 2009 %P 159-182 %V 5 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2009_5_2_a1/ %G ru %F ND_2009_5_2_a1