[1] Université de Pau,Laboratoire de Mathématiques Appliquées
[2] Dipartimento di Scienze Matematiche,School of Mathematics and Statistics
[3] Informatiche e Fisiche,Research Center for Mathematics and Interdisciplinary Sciences
[4] Shandong University,undefined
[5] Weihai,undefined
[6] LAMA,undefined
[7] Univ Gustave Eiffel,undefined
[8] UPEM,undefined
[9] Univ Paris Est Creteil,undefined
[10] CNRS,undefined
[11] Shandong University,undefined