HAFNER, C. ’A PRIORI’ KNOWLEDGE, NON-ORTHOGONAL BASIS FUNCTIONS, AND ILL-CONDITIONNED MATRICES IN NUMERICAL METHODS. Applied Computational Electromagnetics Society Journal (ACES), [S. l.], v. 8, n. 2, p. 176–187, 2022. Disponível em: https://journals.riverpublishers.com/index.php/ACES/article/view/17681. Acesso em: 30 apr. 2026.