@article{BSMF_1875__3__38_1,
     author = {Brocard, H},
     title = {Propri\'et\'e nouvelle du quadrilat\`ere et du triangle},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {38--40},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {3},
     year = {1875},
     doi = {10.24033/bsmf.80},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.80/}
}