@article{IVM_2010_6_a3,
     author = {S. Ya. Serovaiskii},
     title = {The necessary optimality conditions for a~nonlinear stationary system whose state functional is not differentiable with respect to the control},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {32--46},
     publisher = {mathdoc},
     number = {6},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2010_6_a3/}
}