RASMUSSEN, M. G. A taylor-like expansion of a commutator with a function of self-adjoint, pairwise commuting operators. MATHEMATICA SCANDINAVICA, [S. l.], v. 111, n. 1, p. 107–117, 2012. DOI: 10.7146/math.scand.a-15216. Disponível em: https://www.mscand.dk/article/view/15216. Acesso em: 20 apr. 2024.