RÖDSETH, Öystein J. Two remarks on linear forms in non-negative integers. MATHEMATICA SCANDINAVICA, [S. l.], v. 51, p. 193–198, 1982. DOI: 10.7146/math.scand.a-11973. Disponível em: https://www.mscand.dk/article/view/11973. Acesso em: 5 may. 2024.