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@article{DAN_1990_310_1_a6, author = {K. B. Sabitov}, title = {Extremal properties of the modulus of solutions of a class of}, journal = {Doklady Akademii Nauk}, pages = {33--36}, publisher = {mathdoc}, volume = {310}, number = {1}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1990_310_1_a6/} }
K. B. Sabitov. Extremal properties of the modulus of solutions of a class of. Doklady Akademii Nauk, Tome 310 (1990) no. 1, pp. 33-36. http://geodesic.mathdoc.fr/item/DAN_1990_310_1_a6/