@article{JRAM_1981__328_152389,
     author = {Raphael Hoegh-Krohn and Tor Skjelbred},
     title = {Classification of {C*-algebras} admitting ergodic actions of the two-dimensional torus.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--8},
     publisher = {mathdoc},
     volume = {328},
     year = {1981},
     zbl = {0459.46042},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1981__328_152389/}
}