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  • Inductive definition of the class of planar graphs
    Batagelj, Vladimir
    An inductive definition of the class of the planar graphs is given. On the basis of this definition an equivalent of the four color theorem is obtained.
    Vir: Preprint series of the Department of Mathematics. - ISSN 0352-3004 (Let. 19, št. 054, 1981, str. 111-116)
    Vrsta gradiva - članek, sestavni del
    Leto - 1982
    Jezik - angleški
    COBISS.SI-ID - 7323225