@article{VSGTU_2018_22_2_a4,
     author = {M. J. Mardanov and K. B. Mansimov and N. H. Abdullayeva},
     title = {Integral necessary condition of optimality of the second order for control problems 
},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {254--268},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2018_22_2_a4/}
}