Authors
Xuan-Nam Do
LEM3, Université de Lorraine, CNRS. Arts et Métiers Paris Tech. 7, rue Félix Savart, France
Valentin Calisti
Institute of Mathematics of the Czech Academy of Sciences Žitná 25, Czech Republic
Jean-François Ganghoffer
jean-francois.ganghoffer@univ-lorraine.fr
LEM3, Université de Lorraine, CNRS. Arts et Métiers Paris Tech. 7, rue Félix Savart, France