@article{VM_2012_14_3_a1,
     author = {Cristian L\u{a}zureanu},
     title = {On the {Cordovan} ogive},
     journal = {Visual Mathematics},
     publisher = {mathdoc},
     volume = {14},
     number = {3},
     year = {2012},
     url = {http://geodesic.mathdoc.fr/item/VM_2012_14_3_a1/}
}