@article{DE_2001_37_1_a17,
     author = {Nguyẽn Quynh Nga and Nguyen Minh Chuong},
     title = {On a {Multivalued} {Nonlinear} {Variational} {Inequality}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {128--129},
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2001_37_1_a17/}
}