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A note on geodetic graphs of diameter two and their relation to orthogonal Latin squares. (English) Zbl 0373.05060

MSC:
05C99 Graph theory
05B15 Orthogonal arrays, Latin squares, Room squares
05C35 Extremal problems in graph theory
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References:
[1] Erdös, P; Rényi, A; Sós, V.T, On a problem of graph theory, Stud. sci. math. hungar., 1, 215-235, (1966) · Zbl 0144.23302
[2] Ryser, H.J, ()
[3] Stemple, J.G, Geodetic graphs of diameter two, J. combinatorial theory, 17, 266-280, (1974) · Zbl 0323.05122
[4] Stemple, J.G; Watkins, M.E, On planar geodetic graphs, J. combinatorial theory, 4, 101-117, (1968) · Zbl 0153.54004
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