@article{RSMUP_1975__53__97_0,
     author = {Schmitz, Werner},
     title = {\"Uber l\"angste {Wege} und {Kreise} in {Graphen}},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {97--103},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {53},
     year = {1975},
     mrnumber = {427139},
     zbl = {0326.05114},
     language = {de},
     url = {http://www.numdam.org/item/RSMUP_1975__53__97_0/}
}