@article{RM_1987_42_5_a21,
     author = {N. N. Kozik and N. K. Smolentsev and V. A. Shalaumov},
     title = {All-Union {School} {{\textquotedblleft}Optimal} {Control.} {Geometry} and {Analysis{\textquotedblright}}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     year = {1987},
     volume = {42},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1987_42_5_a21/}
}