Jean Anglesio, Saïd Amghibech, et al.. Six Incenters on a Conic: 10887. The American Mathematical Monthly, 110(4):346-347, 2003. [doi]
@article{AnglesioAa03,
title = {Six Incenters on a Conic: 10887},
author = {Jean Anglesio and Saïd Amghibech and et al.},
year = {2003},
url = {http://www.jstor.org/stable/3647896},
researchr = {https://researchr.org/publication/AnglesioAa03},
cites = {0},
citedby = {0},
journal = {The American Mathematical Monthly},
volume = {110},
number = {4},
pages = {346-347},
}