@article{DAN_1969_189_5_a1,
     author = {M. A. Gol'dman},
     title = {A certain decomposition of a linear operator},
     journal = {Doklady Akademii Nauk},
     pages = {930--933},
     publisher = {mathdoc},
     volume = {189},
     number = {5},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_189_5_a1/}
}