Gracia, José Luis http://orcid.org/0000-0003-2538-9027
O’Riordan, Eugene
Stynes, Martin http://orcid.org/0000-0003-2085-7354
Funding for this research was provided by:
Institute of Mathematics and Applications (MTM2016-75139-R)
Diputación General de Aragón (E24-17R)
National Natural Science Foundation of China (NSAF-U1530401)
Article History
Received: 9 January 2019
Accepted: 26 August 2019
First Online: 12 September 2019