@article{MZM_1991_49_2_a1, author = {O. N. Ageev}, title = {Actions by automorphisms of commutative compact groups with a countablefold {Lebesgue} component in the spectrum}, journal = {Matemati\v{c}eskie zametki}, pages = {14--22}, publisher = {mathdoc}, volume = {49}, number = {2}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1991_49_2_a1/} }