International Conference in Algebra, Number Theory and Their Applications
(In Honor of Professors István Gaál and Claude Levesque)
Université de Calais, France
Brock University, Canada
Brock University, Canada
Debrecen University, Hungary
Debrecen University, Hungary
Université Laval, Canada
Brock University, Canada
Brock University, Canada
Université de Mohamed Premier, Maroc