@article{SIGMA_2016_12_a79,
     author = {Stephen Marsland and Robert I. McLachlan},
     title = {M\"obius {Invariants} of {Shapes} and {Images}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2016},
     volume = {12},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2016_12_a79/}
}