Eigenvalue constraints for the stability of T-S fuzzy models. - Kunping Zhu; Heiner Gonska (ACC, 2008)

Convergence of iterates of genuine and ultraspherical Durrmeyer operators to the limiting semigroup: C2-estimates. - Heiner Gonska; Margareta Heilmann; Ioan Rasa (J. Approx. Theory, 2009)

A new estimate for Hölder approximation by Bernstein operators. - Heiner Gonska; Jürgen Prestin; Gancho Tachev (Appl. Math. Lett., 2013)