%0 Journal Article %A S. Cicenia %A A. Drago %T The organizational structures of geometry in Euclid, L. Carnot and Lobatchevsky. An analysis of Lobatchevsky's geometrical works %J In memoriam N. I. Lobatschevskii %D 1995 %P 116-124 %V 3 %N 2 %U http://geodesic.mathdoc.fr/item/KUMEM_1995_3_2_a11/ %G en %F KUMEM_1995_3_2_a11