This work has been supported by the Spanish Ministerio de Ciencia e Innovacion (MICINN) [Consolider INGENIO 2010 CSD2007-00006, CTQ2007-62771/BQU, CTQ2010-20387, FEDER, Generalitat Valenciana (PROMETEO/2009/039)], and by the University of Alicante. M.M.-R. also thanks MICINN for a grant.
这项工作得到了西班牙国家科学与创新部长 (MICINN) [Consolider INGENIO 2010 C
SD2007-00006, CTQ2007-62771/BQU, CTQ2010-20387, FEDER, Generalitat Valenciana (PROMET
EO/3909) 的支持]阿利坎特大学。MM-R。还要感谢 MICINN 的资助。