@article{IVM_2009_11_a6,
     author = {A. V. Bukina and V. A. Terletskii},
     title = {The necessary optimality conditions for a~controllable integro-differential system},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {61--66},
     publisher = {mathdoc},
     number = {11},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2009_11_a6/}
}