@article{10_21136_CMJ_1972_101127,
     author = {D\"orfler, Willibald},
     title = {Automorphismen von $X${-Summen} von {Graphen}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {581--589},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {1972},
     doi = {10.21136/CMJ.1972.101127},
     mrnumber = {0316299},
     zbl = {0245.05110},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1972.101127/}
}