@article{ZVMMF_1972_12_5_a18,
     author = {M. G. Dmitriev and V. S. Poleshchuk},
     title = {The regularization of a certain class of nonstable extremal problems},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1316--1318},
     publisher = {mathdoc},
     volume = {12},
     number = {5},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1972_12_5_a18/}
}