@article{DE_1987_23_3_a17,
     author = {A. P. Suetov},
     title = {A problem of {Lions} for systems describable by a problem of {Neumann}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {499--508},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_3_a17/}
}