@article{DAN_1993_333_5_a0,
     author = {M. D. Bronshtein},
     title = {The {Neumann} problem for a semilinear elliptic equation with control},
     journal = {Doklady Akademii Nauk},
     pages = {565--566},
     publisher = {mathdoc},
     volume = {333},
     number = {5},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1993_333_5_a0/}
}