Navickis K. Geometry of semi-nonholonomic hypercomplexes SNGr(1, 4, 5) in a four-dimensional projective space. LMR [Internet]. 2004 Dec. 17 [cited 2024 Jul. 18];44(spec.):198–201. Available from: https://www.journals.vu.lt/LMR/article/view/31922