@article{DAN_1976_230_3_a6,
     author = {S. Pr\"o{\ss}dorf and B. Silbermann},
     title = {General convergence theorems on projection methods for operator equations in {Banach} spaces},
     journal = {Doklady Akademii Nauk},
     pages = {527--529},
     publisher = {mathdoc},
     volume = {230},
     number = {3},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_230_3_a6/}
}