@article{IIGUM_2014_8_a6,
     author = {V. A. Dykhta},
     title = {Variational {Optimality} {Conditions} with {Feedback} {Descent} {Controls} that {Strengthen} the {Maximum} {Principle}},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {86--103},
     year = {2014},
     volume = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2014_8_a6/}
}