@article{IVM_1977_10_a13,
     author = {S. N. Slugin and V. M. Sa\v{s}kov and A. V. Mironov},
     title = {A topological sufficiency test for the existence of the optimal control of a~dynamical system},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {134--137},
     publisher = {mathdoc},
     number = {10},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_10_a13/}
}