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@article{MZM_1991_49_4_a8, author = {A. I. Kolosov}, title = {A~class of equations with concave operators that depend on a parameter}, journal = {Matemati\v{c}eskie zametki}, pages = {74--80}, publisher = {mathdoc}, volume = {49}, number = {4}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1991_49_4_a8/} }
A. I. Kolosov. A~class of equations with concave operators that depend on a parameter. Matematičeskie zametki, Tome 49 (1991) no. 4, pp. 74-80. http://geodesic.mathdoc.fr/item/MZM_1991_49_4_a8/