@article{IIGUM_2020_31_a3,
     author = {M. J. Mardanov and T. K. Melikov},
     title = {On necessary optimality conditions for discrete control systems},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {49--61},
     publisher = {mathdoc},
     volume = {31},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2020_31_a3/}
}