TY - JOUR AU - Baikoussis, Christos AU - Blair, David E. TI - On the Gauss map of ruled surfaces JO - Glasgow mathematical journal PY - 1992 SP - 355 EP - 359 VL - 34 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008946/ DO - 10.1017/S0017089500008946 ID - 10_1017_S0017089500008946 ER -