@article{CMFD_2011_42_a13,
     author = {E. B. Kuznetsov and A. V. Trokhin},
     title = {Solution extensions: optimal parameter method in optimal control problems},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {152--157},
     publisher = {mathdoc},
     volume = {42},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2011_42_a13/}
}