@article{10_4064_sm_44_5_493_500, author = {Henry Helson}, title = {Structure of {Blaschke} cocycles}, journal = {Studia Mathematica}, pages = {493--500}, publisher = {mathdoc}, volume = {44}, number = {5}, year = {1972}, doi = {10.4064/sm-44-5-493-500}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-44-5-493-500/} }