@article{IVM_1977_11_a13,
     author = {V. P. Tanana},
     title = {The classification of ill-posed problems and optimal methods for their solution},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {106--112},
     publisher = {mathdoc},
     number = {11},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_11_a13/}
}