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@article{MASLO_1973__23_2_a9, author = {Jucovi\v{c}, Ernest and Walther, Hans Joachim}, title = {\"Uber l\"angste {Kreise} in fl\"achenregul\"aren {Polyedergraphen}}, journal = {Mathematica slovaca}, pages = {164--169}, publisher = {mathdoc}, volume = {23}, number = {2}, year = {1973}, mrnumber = {0335356}, zbl = {0256.05104}, language = {ge}, url = {http://geodesic.mathdoc.fr/item/MASLO_1973__23_2_a9/} }
Jucovič, Ernest; Walther, Hans Joachim. Über längste Kreise in flächenregulären Polyedergraphen. Mathematica slovaca, Tome 23 (1973) no. 2, pp. 164-169. http://geodesic.mathdoc.fr/item/MASLO_1973__23_2_a9/