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Author: Říha, Stanislav

• Říha, Stanislav: Hamiltonian lines in the square of graphs. I. Hamiltonian circuits in the square of cacti. (English). Archivum Mathematicum, vol. 24 (1988), issue 2, pp. 45-56
• Říha, Stanislav: Hamiltonian lines in the square of graphs. II. (English). Archivum Mathematicum, vol. 24 (1988), issue 3, pp. 137-146