PEKEC, A. Scalings in Linear Programming: Necessary and Sufficient Conditions for Invariance. BRICS Report Series, [S. l.], v. 3, n. 48, 1996. DOI: 10.7146/brics.v3i48.20050. Disponível em: https://tidsskrift.dk/brics/article/view/20050. Acesso em: 16 apr. 2024.