1998, MATHEMATICAL NOTES, Karlovich,AY
1998, SEMIGROUP FORUM, Fernandes,VH
1998, LINEAR ALGEBRA AND ITS APPLICATIONS, daSilva,JAD;Fernandes,R;Fonseca,A
1998, ORDER-A JOURNAL ON THE THEORY OF ORDERED SETS AND ITS APPLICATIONS, Blyth,TS;Silva,HJ
1998, Computers and Mathematics with Applications, Escalante,R;Raydan,M
1998, Numerical Linear Algebra with Applications, Mendoza,M;Raydan,M;Tarazaga,P
1999, JOURNAL OF LOGIC AND COMPUTATION, Kahle,R
1999, Logic and Foundations of Mathematics, Jäger,G;Kahle,R;Strahm,T
1999, SEMIGROUP FORUM, Bentz,W;Bulman Fleming,S
1999, ALGEBRA UNIVERSALIS, Bentz,W