@article{AMI_2007_34_a0,
     author = {Phan Thanh An},
     title = {A modification of {Graham{\textquoteright}s} algorithm for determining the convex hull of a finite planar set},
     journal = {Annales mathematicae et informaticae},
     pages = {3--8},
     publisher = {mathdoc},
     volume = {34},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AMI_2007_34_a0/}
}