@article{1103900303,
author = {Olesen, Dorte and Pedersen, Gert Kjaerg\aa rd},
title = {Groups of automorphisms with spectrum condition and the lifting problem},
journal = {Comm. Math. Phys.},
volume = {46},
number = {1},
year = {1976},
pages = { 85-95},
language = {en},
url = {http://dml.mathdoc.fr/item/1103900303}
}
Olesen, Dorte; Pedersen, Gert Kjaergård. Groups of automorphisms with spectrum condition and the lifting problem. Comm. Math. Phys., Tome 46 (1976) no. 1, pp. 85-95. http://gdmltest.u-ga.fr/item/1103900303/