2011, ELECTRONIC JOURNAL OF COMBINATORICS, Sousa,T

2011, REVIEW OF SYMBOLIC LOGIC, Kahle,R

2011, PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, Tabuada,G

2011, SEMIGROUP FORUM, Fernandes,VH;Quinteiro,TM

2011, SEMIGROUP FORUM, Andre,J;Araujo,J;Konieczny,J

2011, SEMIGROUP FORUM, Araujo,J;Kinyon,M

2011, THEORETICAL COMPUTER SCIENCE, Gray,R;Malheiro,A

2011, EUROPEAN JOURNAL OF COMBINATORICS, Araujo,J;Kinyon,M;Konieczny,J

2011, COMMUNICATIONS IN ALGEBRA, Fernandes,VH;Quinteiro,TM

2011, INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION, Araujo,J;Edmundo,M;Givant,S