@article{MZM_1967_1_5_a13,
     author = {Yu. L. Shmul'yan},
     title = {Two-sided division in the ring of operators},
     journal = {Matemati\v{c}eskie zametki},
     pages = {605--610},
     publisher = {mathdoc},
     volume = {1},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1967_1_5_a13/}
}