@article{SM_2003_194_9_a4,
     author = {A. A. Tolstonogov},
     title = {On solutions of an~evolution control system depending on parameters},
     journal = {Sbornik. Mathematics},
     pages = {1383--1409},
     publisher = {mathdoc},
     volume = {194},
     number = {9},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2003_194_9_a4/}
}