@article{DE_1991_27_3_a18,
     author = {A. V. Plotnikov},
     title = {Compactness of the attainability set of a controllable differential inclusion in partial derivatives},
     journal = {Differencialʹnye uravneni\^a},
     pages = {526--530},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1991_27_3_a18/}
}