@article{DAN_1975_221_1_a10,
     author = {Yu. I. Khudak},
     title = {On the regularization of operator equations of the first kind},
     journal = {Doklady Akademii Nauk},
     pages = {45--47},
     year = {1975},
     volume = {221},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_221_1_a10/}
}