@article{IVM_1993_5_a3, author = {A. A. Gruzdev}, title = {Reduction of extremal problems to linear equations in {a~Hilbert} space}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {36--42}, publisher = {mathdoc}, number = {5}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1993_5_a3/} }