@article{MOMA_1977__83_177795,
     author = {Johann Linhart},
     title = {\"Uber die {Kantenl\"angensumme} von {Dreieckspolyedern.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {25--36},
     publisher = {mathdoc},
     volume = {83},
     year = {1977},
     zbl = {0351.52009},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1977__83_177795/}
}