Trigonometrische Charakterisierung der Räume konstanter Krümmung. Jost-Hinrich Eschenburg Mathematische Zeitschrift
Jacobi Tensors and Ricci Curvature. John J. O'Sullivan; Jost-Hinrich Eschenburg — 1980 Mathematische Annalen
Constant mean curvature surfaces in 4 -space forms Jost-Hinrich Eschenburg; Renato de Azevedo Tribuzy — 1988 Rendiconti del Seminario Matematico della Università di Padova
The Fundamental Equations of Minimal Surfaces in C2. Jost-Hinrich Eschenburg; Irwin Valle Guadalupe; Renato de Azeve de Tribuzy — 1985 Mathematische Annalen