Stability of meromorphic vector fields in projective spaces. Xavier Gómez-Mont; George Kempf — 1989 Commentarii mathematici Helvetici
Representations of algebraic groups in prime characteristics George R. Kempf — 1981 Annales scientifiques de l'École Normale Supérieure
A Torelli theorem for osculating cones to the theta divisor George R. Kempf; Frank-Olaf Schreyer — 1988 Compositio Mathematica