[2] Albert, M., Nowakowski, R., Wolfe, D.: Lessons in play: An introduction to combinatorial game theory. A. K. Peters, Ltd./CRC Press, Natick, MA, 2007.
[3] Berlekamp, E. R., Conway, J. H., Guy, R. K.:
Winning Ways for your Mathematical Plays. 2nd ed., vol. 1–4, A. K. Peters, Ltd./CRC Press, Natick, MA, 2001–2004.
MR 2006327
[4] Cihlář, J., Vopravil, V.: Hry a čísla (On Games and Numbers). PF UJEP, Ústí nad Labem, 1983, 1995.
[5] Conway, J. H.:
On Numbers and Games. 2nd ed., A. K. Peters, Ltd./CRC Press, Natick, MA, 2000.
MR 1803095
[7] Vopravil, V., Porkert, J.: Hry a strategie. Rozhledy matematicko-fyzikální, 70 (1992), 52–57.
[8] Vopravil, V.: Nestranné hry. Učitel matematiky, 26 (2018), 2.