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@article{MZM_1985_37_5_a8, author = {V. G. Timofeev}, title = {Landau inequality for function of several variables}, journal = {Matemati\v{c}eskie zametki}, pages = {676--689}, publisher = {mathdoc}, volume = {37}, number = {5}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1985_37_5_a8/} }
V. G. Timofeev. Landau inequality for function of several variables. Matematičeskie zametki, Tome 37 (1985) no. 5, pp. 676-689. http://geodesic.mathdoc.fr/item/MZM_1985_37_5_a8/