@article{IM2_1976_10_4_a7,
     author = {A. I. Loginov and V. S. Shulman},
     title = {On reductive operators and operator algebras},
     journal = {Izvestiya. Mathematics },
     pages = {799--807},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {1976},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1976_10_4_a7/}
}