PETER JENNERGREN, L.; TOFT-NIELSEN, Peter. An investigation of random walks in the Danish stock market. Nationaløkonomisk Tidsskrift, [S. l.], v. 115, 1977. Disponível em: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/62747. Acesso em: 3 mar. 2026.