@article{IVM_1976_10_a1,
     author = {V. V. Anisovich and M. G. Dmitriev and B. I. Kryukov},
     title = {The number of switchings in a~certain optimal control problem},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {13--16},
     publisher = {mathdoc},
     number = {10},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1976_10_a1/}
}