Borges, J.
Rifà, J.
Zinoviev, V. A.
Article History
Received: 22 December 2018
Revised: 6 February 2019
Accepted: 11 February 2019
First Online: 24 April 2019
Change Date: 16 October 2019
Change Type: Erratum
Change Details: <b>Abstract</b>���We correct mistakes in the formulations of Theorem 19 and Proposition 17 of the original article, published in vol. 55, no. 1, 1���45.