%0 Journal Article %A J. Chalmovianská %T Analytic Solution of Castillon's Problem, another Approach %J Journal for geometry and graphics %D 2023 %P 195-206 %V 27 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JGG_2023_27_2_JGG_2023_27_2_a7/ %F JGG_2023_27_2_JGG_2023_27_2_a7