By Bertossi L.   in Annals of Mathematics and Artificial Intelligence

ISSN:1012-2443|40|1-2|5-35

Springer Publishing Company ‎(2004)‎

Access to resources Favorite 14.873357

By Arenas M.   Bertossi L.   Chomicki J.   He X.   Raghavan V.   Spinrad J.   in Theoretical Computer Science

ISSN:0304-3975|296|3|405-434

Elsevier‎(2003)‎

Access to resources Favorite 6.203124