@article{1077286536,
author = {Haagerup, Uffe and R\o rdam, Mikael},
title = {Perturbations of the rotation $C^{\ast}$ -algebras and of
the Heisenberg commutation relation},
journal = {Duke Math. J.},
volume = {80},
number = {1},
year = {1995},
pages = { 627-656},
language = {en},
url = {http://dml.mathdoc.fr/item/1077286536}
}
Haagerup, Uffe; Rørdam, Mikael. Perturbations of the rotation $C^{\ast}$ -algebras and of
the Heisenberg commutation relation. Duke Math. J., Tome 80 (1995) no. 1, pp. 627-656. http://gdmltest.u-ga.fr/item/1077286536/