@article{VUU_2021_31_2_a3,
     author = {I. O. Osipov},
     title = {On the convexity of the reachable set with respect to a part of coordinates at small time intervals},
     journal = {Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹ\^uternye nauki},
     pages = {210--225},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VUU_2021_31_2_a3/}
}