TY - JOUR AU - Cristian Lăzureanu TI - On the Cordovan ogive JO - Visual Mathematics PY - 2012 VL - 14 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VM_2012_14_3_a1/ ID - VM_2012_14_3_a1 ER -