@misc{VMUMM_1992_3_a21,
     title = {Scientific research seminars of the {Sexion} of {Control} and {Applied} {Mechanics}},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {81--82},
     publisher = {mathdoc},
     number = {3},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1992_3_a21/}
}