@article{DAN_1992_324_2_a1,
     author = {S. Dzhumaev and \`E. Muhamadiev},
     title = {On the regularization of operator equations},
     journal = {Doklady Akademii Nauk},
     pages = {254--257},
     year = {1992},
     volume = {324},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1992_324_2_a1/}
}