@article{TM_1971_112_a14,
     author = {V. Ivanov},
     title = {The solution of operator equations that are not well-posed},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {232--240},
     publisher = {mathdoc},
     volume = {112},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1971_112_a14/}
}