STIKLAKYTĖ, L. Ober die nichtholonome Hyperflache in verallgemeinerten euklidischem Raum. Lithuanian Mathematical Journal, [S. l.], v. 11, n. 3, p. 669–682, 1971. DOI: 10.15388/LMJ.1971.21023. Disponível em: https://www.journals.vu.lt/LMJ/article/view/21023.. Acesso em: 19 may. 2024.