@article{DE_1987_23_2_a19,
     author = {A. B. Vasil'eva and E. K. Kuchik},
     title = {A singularly perturbed system of two first order partial differential equations in a conditionally stable case},
     journal = {Differencialʹnye uravneni\^a},
     pages = {344--345},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_2_a19/}
}