Zeros and regular growth of Laplace transforms along curves. Rein Zeinstra — 1992 Journal für die reine und angewandte Mathematik
Geodesics for convex complex ellipsoids Marek Jarnicki; Peter Pflug; Rein Zeinstra — 1993 Annali della Scuola Normale Superiore di Pisa - Classe di Scienze