@article{TMF_1979_38_1_a5,
     author = {A. L. Alimov and E. V. Damaskinsky},
     title = {Self-adjoint phase operator},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {58--70},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1979_38_1_a5/}
}