ALFSEN, E. Svend Bundgaard. On his 70th anniversary April 25, 1982. MATHEMATICA SCANDINAVICA, [S. l.], v. 50, p. 5–7, 1982. DOI: 10.7146/math.scand.a-11938. Disponível em: https://www.mscand.dk/article/view/11938. Acesso em: 4 may. 2024.