A. GLADKOVA, Margarita; A. KAZANTSEVA, Maria; A. ZENKEVICH, Nikolay. Quality Level Choice Model under Oligopoly Competition on a Fitness Service Market. Contributions to Game Theory and Management, [S. l.], v. 7, 2022. Disponível em: https://gametheory.spbu.ru/article/view/13592. Acesso em: 3 apr. 2025.