@article{SMJ2_2000_26_4_a2,
     author = {Karandjulov, L. and Stoyanova, Y.},
     title = {Boundary-Value {Problems} for almost {Nonlinear} {Singularly} {Perturbed} {Systems} of {Ordinary} {Differential} {Equations}},
     journal = {Serdica Mathematical Journal},
     pages = {309--330},
     publisher = {mathdoc},
     volume = {26},
     number = {4},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2000_26_4_a2/}
}