KOLÁŘ, I. On generalized parallelisms. Archives of Mechanics, Warsaw, Poland, v. 50, n. 3, p. 415–421, 1998. DOI: 10.24423/aom.1476. Disponível em: http://am.ippt.gov.pl/index.php/am/article/view/v50p415. Acesso em: 17 jan. 2026.