@article{BUMI_2009_9_2_3_a11,
     author = {Radice, Teresa and Saksman, Eero and Zecca, Gabriella},
     title = {Isomorphisms of {Royden} {Type} {Algebras} {Over} $\mathbb{S}^1$},
     journal = {Bollettino della Unione matematica italiana},
     pages = {719--729},
     publisher = {mathdoc},
     volume = {Ser. 9, 2},
     number = {3},
     year = {2009},
     zbl = {1191.30009},
     mrnumber = {2569300},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2009_9_2_3_a11/}
}