TY - JOUR AU - Naomi Asakura TI - Fundamental Problems of Creating in Two-Dimensional Space JO - Visual Mathematics PY - 2010 VL - 12 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VM_2010_12_2_a3/ ID - VM_2010_12_2_a3 ER -