@article{ZVMMF_2010_50_5_a5,
     author = {V. A. Srochko and S. N. Ushakova},
     title = {Improvement of extreme controls and the steepest ascent method in the norm maximization problem on the reachable set},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {848--859},
     publisher = {mathdoc},
     volume = {50},
     number = {5},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2010_50_5_a5/}
}