@article{JDM_1894__4_144491,
     author = {Fr. Schmidt},
     title = {Mittheilungen \"uber {Johann} {Bolyai.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {107--109},
     publisher = {mathdoc},
     volume = {4},
     year = {1894},
     url = {http://geodesic.mathdoc.fr/item/JDM_1894__4_144491/}
}