%0 Journal Article %A Karandjulov, L. %A Stoyanova, Y. %T Boundary-Value Problems for almost Nonlinear Singularly Perturbed Systems of Ordinary Differential Equations %J Serdica Mathematical Journal %D 2000 %P 309-330 %V 26 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SMJ2_2000_26_4_a2/ %G en %F SMJ2_2000_26_4_a2