@article{RM_1997_52_4_a1, author = {V. N. Solov'ev}, title = {Dual extremal problems and their applications to minimax estimation problems}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {685--720}, publisher = {mathdoc}, volume = {52}, number = {4}, year = {1997}, language = {en}, url = {http://geodesic.mathdoc.fr/item/RM_1997_52_4_a1/} }