Lucas Backes

Professor of Mathematics
Federal University of Rio Grande do Sul.

Contact Information:
Department of MathematicsUFRGS
Av. Bento Gonçalves, 9500, Prédio 43-111
Bairro Agronomia, CEP 91509-900
Porto Alegre - RS, Brazil.

E-mail: lucas.backes@ufrgs.br