@article{DE_1992_28_7_a15,
     author = {V. E. Kapustyan},
     title = {A direct method for solving a singularly perturbed problem of the optimal control of a particle transport process},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1230--1243},
     publisher = {mathdoc},
     volume = {28},
     number = {7},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_7_a15/}
}