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@article{MAN_1973__204_162457, author = {Lorenz Friess}, title = {Graphen, worin je zwei {Ger\"uste} isomorph sind.}, journal = {Mathematische Annalen}, pages = {65--72}, publisher = {mathdoc}, volume = {204}, year = {1973}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MAN_1973__204_162457/} }
Lorenz Friess. Graphen, worin je zwei Gerüste isomorph sind.. Mathematische Annalen, Tome 204 (1973), pp. 65-72. http://geodesic.mathdoc.fr/item/MAN_1973__204_162457/