@article{IVM_1967_7_a3,
     author = {V. B. Gindes},
     title = {Singular control in optimal systems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {34--42},
     publisher = {mathdoc},
     number = {7},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1967_7_a3/}
}