Ballard, B.W. (1983). The *-minimax search procedure for trees containing chance nodes. Artificial Intelligence, 21(3), 327–350. doi:10.1016/S0004-3702(83)80015-0.
2.
Ito, T. & Takano, D. (2015). Changes in cognitive processes and brain activity while becoming proficient at Minishogi. ICGA Journal, 38(4), 209–223. doi:10.3233/ICG-2015-38403.
