@article{VSGTU_2017_21_2_a5,
     author = {R. K. Tagiyev and R. S. Kasimova},
     title = {On the problem of optimal control in the coefficients of~an~elliptic equation},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {278--291},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2017_21_2_a5/}
}