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Author: Loebl, Martin

• Matoušek, Jiří; Loebl, Martin: Hercules versus Hidden Hydra Helper. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 32 (1991), issue 4, pp. 731-741
• Loebl, Martin: Hercules and Hydra. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 29 (1988), issue 1, pp. 85-95
• Loebl, Martin: Hercules and Hydra, a game on rooted finite trees. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 26 (1985), issue 2, pp. 259-267