Simultaneous approximation on two subsets of an open Riemann surface. - André Boivin; Paul M. Gauthier; Gerald Schmieder (J. Approx. Theory, 2006)

On the instability of the Riemann hypothesis for curves over finite fields. - Paul M. Gauthier; N. Tarkhanov (J. Approx. Theory, 2012)

Meromorphic tangential approximation on the boundary of closed sets in Riemann surfaces. - Paul M. Gauthier; P. V. Paramonov; Fatemeh Sharifi (J. Approx. Theory, 2018)

An asymptotic holomorphic boundary problem on arbitrary open sets in Riemann surfaces. - Javier Falcó; Paul M. Gauthier (J. Approx. Theory, 2020)