%0 Journal Article %A Josef Schicho %A Matteo Gallet %T Ambiguities in a Problem in Planar Geodesy %J Symmetry, integrability and geometry: methods and applications %D 2015 %V 11 %U http://geodesic.mathdoc.fr/item/SIGMA_2015_11_a7/ %G en %F SIGMA_2015_11_a7