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@article{MZM_1987_42_3_a2, author = {A. B. Aliev}, title = {Variational inequalities for quasilinear operators of hyperbolic type}, journal = {Matemati\v{c}eskie zametki}, pages = {369--380}, publisher = {mathdoc}, volume = {42}, number = {3}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1987_42_3_a2/} }
A. B. Aliev. Variational inequalities for quasilinear operators of hyperbolic type. Matematičeskie zametki, Tome 42 (1987) no. 3, pp. 369-380. http://geodesic.mathdoc.fr/item/MZM_1987_42_3_a2/