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@article{MZM_1993_54_2_a9, author = {S. Ya. Serovaǐskiǐ}, title = {Optimization in a nonlinear elliptic system with control in the coefficients}, journal = {Matemati\v{c}eskie zametki}, pages = {85--95}, publisher = {mathdoc}, volume = {54}, number = {2}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1993_54_2_a9/} }
S. Ya. Serovaǐskiǐ. Optimization in a nonlinear elliptic system with control in the coefficients. Matematičeskie zametki, Tome 54 (1993) no. 2, pp. 85-95. http://geodesic.mathdoc.fr/item/MZM_1993_54_2_a9/