González, María del Mar
Gualdani, Maria Pia
Solà-Morales, Joan
Funding for this research was provided by:
MINECO (MTM2011-27739-C04-01, MTM2011-27739-C4-01)
GENCAT (2009SGR-345, 2009SGR-345)
National Science Foundation (DMS-1412748)
Article History
Received: 11 February 2014
Accepted: 1 February 2016
First Online: 12 February 2016