NAVICKIS, Kazimieras. Geometry of semi-nonholonomic hypercomplexes SNGr(1, 4, 5) in a four-dimensional projective space. Lietuvos matematikos rinkinys, [S. l.], v. 44, n. spec., p. 198–201, 2004. DOI: 10.15388/LMR.2004.31922. Disponível em: https://www.zurnalai.vu.lt/LMR/article/view/31922. Acesso em: 4 dec. 2025.