@article{GMJ_1995__2_3_47363,
     author = {Sushko, V.G. and Rozov, N.Kh.},
     title = {Applications of the method of barriers. {II:} {Some} singularly perturbed problems.},
     journal = {Georgian Mathematical Journal},
     pages = {323--334},
     publisher = {mathdoc},
     volume = {2},
     number = {3},
     year = {1995},
     zbl = {0833.34017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/GMJ_1995__2_3_47363/}
}