@article{DAN_1982_266_3_a6,
     author = {A. K. Kerimov},
     title = {On optimization problems with free boundaries},
     journal = {Doklady Akademii Nauk},
     pages = {545--548},
     publisher = {mathdoc},
     volume = {266},
     number = {3},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_266_3_a6/}
}