@article{ZVMMF_1966_6_4_a2,
     author = {A. N. Tikhonov},
     title = {On the stability of the functional optimization problem},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {631--634},
     publisher = {mathdoc},
     volume = {6},
     number = {4},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1966_6_4_a2/}
}