TY - JOUR AU - E. Bujalance TI - On the Structure of the Automorphism Group of a Compact Klein Surface with N Boundary Components (1 < N < 4). JO - Mathematische Annalen PY - 1985 SP - 29 EP - 34 VL - 270 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1985__270_182985/ ID - MAN_1985__270_182985 ER -