@article{NAM_1849_1_8__400_0,
     author = {Umpfenbach},
     title = {Sur la g\'en\'eralisation du th\'eor\`eme de {Pythagore.} {D'apr\`es} {M.} {Umpfenbach,} professeur \`a {Giessen}},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {400--400},
     publisher = {Bachelier},
     volume = {1e s{\'e}rie, 8},
     year = {1849},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1849_1_8__400_0/}
}