NOVA Math

2004, COMMUNICATIONS IN ALGEBRA, Andre,JM

2004, COMMUNICATIONS IN ALGEBRA, Araujo,J;Konieczny,J

2004, SEMIGROUP FORUM, Andre,JM

2004, SEMIGROUP FORUM, Delgado,M;Fernandes,VH

2004, LINEAR ALGEBRA AND ITS APPLICATIONS, Fernandes,R

2004, COMMUNICATIONS IN ALGEBRA, Blyth,TS;Fang,J;Silva,HJ

2004, ALGEBRA COLLOQUIUM, Blyth,TS;Silva,HJ

2004, THEORETICAL COMPUTER SCIENCE, Bellantoni,S;Oitavem,I

2004, SEMIGROUP FORUM, Andre,JM

2004, INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION, Delgado,M;Fernandes,VH;Margolis,S;Steinberg,B