Author: Nebeský, Ladislav
- : An algebraic characterization of geodetic graphs. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 4, pp. 701-710
- : A new proof of a characterization of the set of all geodesics in a connected graph. (English). Czechoslovak Mathematical Journal, vol. 48 (1998), issue 4, pp. 809-813
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