@article{FPM_2002_8_4_a22,
     author = {M. M. Khapaev},
     title = {On one ill-posed singularly perturbed problem},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {1251--1254},
     publisher = {mathdoc},
     volume = {8},
     number = {4},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2002_8_4_a22/}
}