@article{IVM_2014_8_a10,
     author = {V. A. Srochko and V. G. Antonik},
     title = {Sufficient optimality conditions for extremal controls based on functional increment formulas},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {96--102},
     publisher = {mathdoc},
     number = {8},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2014_8_a10/}
}