1. Introduction to Higher Algebra;Bôcher,1952
2. Least-squares orthogonal polynomials;Brezinski;J. Comput. Appl. Math.,1993
3. Convergence uniforme d'une nouvelle classe d'approximants de Padé à plusieurs variables;Chaffy-Camus;C. R. Acad. Sci. Paris, Sér. I,1988
4. Rational approximants defined from double power series;Chisholm;Math. Comp.,1973
5. Multivariate Padé approximants;Cuyt;J. Math. Anal. Appl.,1983