%0 Journal Article %A O. E. Omel'chenko %T Steplike contrast structures for a second-order singularly perturbed quasilinear differential equation in the critical case %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 2005 %P 472-483 %V 45 %N 3 %U http://geodesic.mathdoc.fr/item/ZVMMF_2005_45_3_a11/ %G ru %F ZVMMF_2005_45_3_a11