@article{TIMB_2021_29_1_a1,
     author = {V. V. Al'sevich},
     title = {Optimality conditions for optimal control tasksin the class of discrete control influences},
     journal = {Trudy Instituta matematiki},
     pages = {10--16},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMB_2021_29_1_a1/}
}