Dangos 1 - 3 canlyniadau o 3 ar gyfer chwilio 'Fritsch, Gerda', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1
    The four color theorem : history, topological foundations, and idea of proof /
    gan Fritsch, Rudolf, Fritsch, Gerda
    Cyhoeddwyd 1998
    Cael y testun llawn
    Cael y testun llawn
    Printed Book
  2. 2
    The four color theorem : history, topological foundations, and idea of proof /
    gan Fritsch, Rudolf
    Cyhoeddwyd 1998
    Awduron Eraill: “...Fritsch, Gerda...”
    Printed Book
  3. 3
    Four colour theorem
    gan Fritsch, Rudolf
    Cyhoeddwyd 1998
    Awduron Eraill: “...Fritsch Gerda...”
    Printed Book
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