Angelo Sonnino. Linear collineation groups preserving an arc in a Möbius plane. Discrete Mathematics, 197-198:749-757, 1999. [doi]
@article{Sonnino99,
title = {Linear collineation groups preserving an arc in a Möbius plane},
author = {Angelo Sonnino},
year = {1999},
doi = {10.1016/S0012-365X(99)90141-3},
url = {http://dx.doi.org/10.1016/S0012-365X(99)90141-3},
researchr = {https://researchr.org/publication/Sonnino99},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {197-198},
pages = {749-757},
}