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Currently displaying 1 – 4 of 4

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Halbgruppen und Automaten

Willibald Dörfler — 1973

Rendiconti del Seminario Matematico della Università di Padova

Automorphismen von $X$ -Summen von Graphen

Willibald Dörfler — 1972

Czechoslovak Mathematical Journal

On mapping graphs and permutation graphs

Willibald Dörfler — 1978

Mathematica Slovaca

Covers of digraphs

Willibald Dörfler; Frank Harary; Günther Malle — 1980

Mathematica Slovaca

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