@article{DE_1989_25_12_a12,
     author = {V. F. Butuzov and V. Yu. Buchnev},
     title = {Asymptotic approximation of the solution of a singularly perturbed parabolic two-dimensional problem with a nonsmooth limit solution},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2128--2133},
     publisher = {mathdoc},
     volume = {25},
     number = {12},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1989_25_12_a12/}
}