@article{SM_1987_57_1_a17,
     author = {D. B. Silin},
     title = {Time-optimal linear problems with controls discontinuous on a~set of positive measure},
     journal = {Sbornik. Mathematics},
     pages = {277--291},
     publisher = {mathdoc},
     volume = {57},
     number = {1},
     year = {1987},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1987_57_1_a17/}
}