@article{JCA_2011_18_3_JCA_2011_18_3_a14,
     author = {A. Zachos and G. Zouzoulas},
     title = {An {Evolutionary} {Structure} of {Pyramids} in the {Three-Dimensional} {Euclidean} {Space}},
     journal = {Journal of convex analysis},
     pages = {833--853},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {2011},
     url = {http://geodesic.mathdoc.fr/item/JCA_2011_18_3_JCA_2011_18_3_a14/}
}