КАТЕГОРІАЛЬНИЙ АПАРАТ ДОВЕДЕННЯ МАТЕМАТИЧНИХ ТВЕРДЖЕНЬ. Modern Information Technologies and Innovation Methodologies of Education in Professional Training Methodology Theory Experience Problems, [S. l.], n. 31, p. 274–278, 2012. Disponível em: https://vspu.net/sit/index.php/sit/article/view/4055.. Acesso em: 20 may. 2024.