Funding for this research was provided by:
Ministerio de Economía, Industria y Competitividad, Gobierno de España (MAT2015-71036-P)
Ministerio de Economía, Industria y Competitividad, Gobierno de España (MAT2015-71309-P)
Article History
Received: 12 January 2019
Accepted: 8 July 2019
First Online: 18 July 2019