@article{IIGUM_2017_19_a9,
     author = {N. S. Maltugueva and N. I. Pogodaev},
     title = {Existence of solutions to an optimal control problem for a hybrid system},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {129--135},
     publisher = {mathdoc},
     volume = {19},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2017_19_a9/}
}