@article{TM_2019_304_a16,
     author = {E. S. Polovinkin},
     title = {Pontryagin's {Direct} {Method} for {Optimization} {Problems} with {Differential} {Inclusion}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {257--272},
     publisher = {mathdoc},
     volume = {304},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2019_304_a16/}
}