@article{DAN_1966_169_4_a7,
     author = {A. M. Stepin},
     title = {Properties of spectra of ergodic dynamic systems with locally compact time},
     journal = {Doklady Akademii Nauk},
     pages = {773--776},
     publisher = {mathdoc},
     volume = {169},
     number = {4},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_169_4_a7/}
}