KOSZELA, G. ANALYSIS OF ARBITRARILY SMALL RISK PORTFOLIO. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 3, n. 2, p. 75–83, 2004. Disponível em: https://aspe.sggw.edu.pl/article/view/957. Acesso em: 29 apr. 2024.