@article{10_21136_CMJ_1981_101739,
     author = {Andersen, Lars D{\o}vling and Grant, Douglas D.},
     title = {Homopolar circuits in polar graphs},
     journal = {Czechoslovak Mathematical Journal},
     pages = {218--228},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {1981},
     doi = {10.21136/CMJ.1981.101739},
     mrnumber = {611077},
     zbl = {0472.05038},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1981.101739/}
}