Diagonal Padé approximants to hyperelliptic functions Herbert Stahl — 1996 Annales de la Faculté des sciences de Toulouse : Mathématiques
Asymptotics for quadratic Hermite-Padé polynomials associated with the exponential function. Stahl, Herbert — 2002 ETNA. Electronic Transactions on Numerical Analysis [electronic only]
Convergence of rational interpolants. Stahl, Herbert — 1996 Bulletin of the Belgian Mathematical Society - Simon Stevin
From Taylor to quadratic Hermite-Padé polynomials. Stahl, Herbert — 2006 ETNA. Electronic Transactions on Numerical Analysis [electronic only]