@article{CM_1972__25_2_135_0, author = {Jones, Roger and Parry, William}, title = {Compact abelian group extensions of dynamical systems {II}}, journal = {Compositio Mathematica}, pages = {135--147}, publisher = {Wolters-Noordhoff Publishing}, volume = {25}, number = {2}, year = {1972}, mrnumber = {338318}, zbl = {0243.54039}, language = {en}, url = {http://www.numdam.org/item/CM_1972__25_2_135_0/} }