@article{DAN_1992_326_2_a6,
     author = {P. D. Krut'ko},
     title = {Asymptotic properties of control systems that are optimal with},
     journal = {Doklady Akademii Nauk},
     pages = {241--245},
     publisher = {mathdoc},
     volume = {326},
     number = {2},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1992_326_2_a6/}
}