GARDING, L. Limit Theorems for Certain Random Walks. MATHEMATICA SCANDINAVICA, [S. l.], v. 9, p. 395–408, 1961. DOI: 10.7146/math.scand.a-10644. Disponível em: https://www.mscand.dk/article/view/10644. Acesso em: 3 may. 2024.