Author: Zelinka, Bohdan

Chajda, Ivan; Zelinka, Bohdan: A characterization of tolerance-distributive tree semilattices. (English). Czechoslovak Mathematical Journal, vol. 37 (1987), issue 2, pp. 175-180
Zelinka, Bohdan: The distance between a graph and its complement. (English). Czechoslovak Mathematical Journal, vol. 37 (1987), issue 1, pp. 120-123
Zelinka, Bohdan: On a problem of P. Vestergaard concerning circuits in graphs. (English). Czechoslovak Mathematical Journal, vol. 37 (1987), issue 2, pp. 318-319
Zelinka, Bohdan: Tolerances on graph algebras. (English). Czechoslovak Mathematical Journal, vol. 37 (1987), issue 2, pp. 313-317

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