@article{MZ_1957__68_169692,
     author = {Alfred St\"ohr},
     title = {\"Uber die {Anzahl} der {Wege} in einem gewissen {Stra{\ss}ennetz.}},
     journal = {Mathematische Zeitschrift},
     pages = {77--81},
     publisher = {mathdoc},
     volume = {68},
     year = {1957},
     zbl = {0078.00902},
     url = {http://geodesic.mathdoc.fr/item/MZ_1957__68_169692/}
}