Barreira, Luis
Dragičević, Davor
Valls, Claudia
Funding for this research was provided by:
FCT/Portugal (UID/MAT/04459/2013)
Australian Research Council (Discovery Project DP150100017)
Croatian Science Foundation (project IP-2014-09-2285)
University of Rijeka (research grant 13.14.1.2.02)
Article History
Received: 2 September 2016
First Online: 8 February 2017