TY - JOUR AU - Thomas F. Banchoff TI - Tight Polyhedral Klein Bottles, Projective Planes, and Möbius Bands. JO - Mathematische Annalen PY - 1974 SP - 233 EP - 244 VL - 207 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1974__207_162542/ ID - MAN_1974__207_162542 ER -