CSÉBFALVI, Anikó. Angel method for discrete optimization problems. Periodica Polytechnica Civil Engineering, [S. l.], v. 51, n. 2, p. 37–46, 2007. 10.3311/pp.ci.2007-2.06. Disponível em: https://pp.bme.hu/ci/article/view/547. Acesso em: 5 may. 2024.