@article{DE_1979_15_5_a17,
     author = {V. I. Meleshko},
     title = {An investigation of stable $L$-pseudo-inverses of unbounded closed operators by the regularization method},
     journal = {Differencialʹnye uravneni\^a},
     pages = {921--935},
     publisher = {mathdoc},
     volume = {15},
     number = {5},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1979_15_5_a17/}
}