CZOGAŁA, Alfred. The functor K_2 for multiquadratic number fields. Annales Mathematicae Silesianae, [S. l.], v. 3, p. 7–17, 1990. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/14295. Acesso em: 25 apr. 2025.