@article{JGG_2023_27_2_JGG_2023_27_2_a7,
     author = {J. Chalmoviansk\'a },
     title = {Analytic {Solution} of {Castillon's} {Problem,} another {Approach}},
     journal = {Journal for geometry and graphics},
     pages = {195--206},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {2023},
     url = {http://geodesic.mathdoc.fr/item/JGG_2023_27_2_JGG_2023_27_2_a7/}
}