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@article{MZM_1991_49_5_a13, author = {V. N. Solov'ev}, title = {Simplification of dual extremal problems invariant with respect to change in variables}, journal = {Matemati\v{c}eskie zametki}, pages = {104--109}, publisher = {mathdoc}, volume = {49}, number = {5}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1991_49_5_a13/} }
V. N. Solov'ev. Simplification of dual extremal problems invariant with respect to change in variables. Matematičeskie zametki, Tome 49 (1991) no. 5, pp. 104-109. http://geodesic.mathdoc.fr/item/MZM_1991_49_5_a13/