Mikhail A. MIKHAYLOV. The Reasons Obliging a Relation to be Transitive. Current Topics on Mathematics and Computer Science Vol. 8, [S. l.], p. 71–80, 2021. DOI: 10.9734/bpi/ctmcs/v8/11738D. Disponível em: https://stm.bookpi.org/CTMCS-V8/article/view/3071. Acesso em: 4 jun. 2026.