@article{NAM_1907_4_7__155_1,
     author = {Pellet, A.},
     title = {Sur la sph\`ere p\'edale et le cercle p\'edal},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {155--158},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {4e s{\'e}rie, 7},
     year = {1907},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1907_4_7__155_1/}
}