@article{IM2_2014_78_5_a6,
     author = {L. V. Lokutsievskii},
     title = {Singular regimes in controlled systems with multidimensional control in a~polyhedron},
     journal = {Izvestiya. Mathematics },
     pages = {1006--1027},
     publisher = {mathdoc},
     volume = {78},
     number = {5},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2014_78_5_a6/}
}