@article{IVM_2006_12_a8,
     author = {S. Ya. Serovaǐskiǐ},
     title = {Sequential derivatives of operators and their applications in nonsmooth problems of optimal control},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {75--87},
     publisher = {mathdoc},
     number = {12},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2006_12_a8/}
}