@article{TIMM_2013_19_1_a7,
     author = {M. I. Gusev},
     title = {On the penalty function method in the problem of constructing reachable sets for control systems with state constraints},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {81--86},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2013_19_1_a7/}
}