TY - JOUR AU - L. Romakina TI - Svetlana Ribbons with Intersecting Axes in a Hyperbolic Plane of Positive Curvature JO - Journal for geometry and graphics PY - 2016 SP - 209 EP - 224 VL - 20 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JGG_2016_20_2_JGG_2016_20_2_a4/ ID - JGG_2016_20_2_JGG_2016_20_2_a4 ER -