@article{JGG_2019_23_1_JGG_2019_23_1_a4,
     author = {R. Manfrin },
     title = {Addendum to {Pohlke's} {Theorem,} a {Proof} of {Pohlke-Schwarz's} {Theorem}},
     journal = {Journal for geometry and graphics},
     pages = {41--44},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {2019},
     url = {http://geodesic.mathdoc.fr/item/JGG_2019_23_1_JGG_2019_23_1_a4/}
}