ENGLIS, M.; PEETRE, J. On the Correspondence Principle for the Quantized Annulus. MATHEMATICA SCANDINAVICA, [S. l.], v. 78, p. 183–206, 1996. DOI: 10.7146/math.scand.a-12582. Disponível em: https://www.mscand.dk/article/view/12582. Acesso em: 28 apr. 2024.