2008, LINEAR ALGEBRA AND ITS APPLICATIONS, Fernandes,R;Gomes,H;Martins,EA

2008, JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL, Casimiro,AC;Porras,JMM;Martin,FJP

2009, JOURNAL OF ALGEBRA, Fernandes,VH;Gomes,GMS;Jesus,MM

2009, COMMUNICATIONS IN ALGEBRA, Araujo,J;Konieczny,J

2009, FUNDAMENTA MATHEMATICAE, Araujo,J;Wehrung,F

2009, Information and Computation, Cain,AJ;Oliver,G;Ruskuc,N;Thomas,RM

2009, International Journal of Algebra and Computation, Cain,AJ;Maltcev,V

2009, Journal of Pure and Applied Algebra, Cain,AJ

2009, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Gradel,E;Kahle,R

2009, ELECTRONIC JOURNAL OF LINEAR ALGEBRA, Fernandes,R