Author: Zelinka, Bohdan

Zelinka, Bohdan: Geodetic graphs which are homeomorphic to complete graphs. (English). Mathematica Slovaca, vol. 27 (1977), issue 2, pp. 129-132
Zelinka, Bohdan: The lattice of all subtrees of a tree. (English). Mathematica Slovaca, vol. 27 (1977), issue 3, pp. 277-286
Zelinka, Bohdan: On a problem of R. Halin concerning subgraphs of infinite graphs. (English). Mathematica Slovaca, vol. 27 (1977), issue 1, pp. 43-45

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