%0 Journal Article %A Vrabel, Robert %T Boundary layer phenomenon for three -point boundary value problem for the nonlinear singularly perturbed systems %J Kybernetika %D 2011 %P 644-652 %V 47 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_2011__47_4_a9/ %G en %F KYB_2011__47_4_a9