@article{ZVMMF_1984_24_4_a0,
     author = {Yu. L. Gaponenko},
     title = {Degree of solvability and exactness of the solution of an ill-posed problem for a~fixed level of error},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {483--490},
     year = {1984},
     volume = {24},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1984_24_4_a0/}
}