VOROBEV, N. The “attack-defence” game. Lithuanian Mathematical Journal, [S. l.], v. 8, n. 3, p. 437–444, 1968. DOI: 10.15388/LMJ.1968.20582. Disponível em: https://www.journals.vu.lt/LMJ/article/view/20582.. Acesso em: 3 may. 2024.