BALCZA, L. A RELATION BETWEEN INVERSION NUMBER AND LEXICOGRAPHIC ORDERING OF PERMUTATIONS Periodica Polytechnica Civil Engineering, [S. l.], v. 27, n. 1-2, p. 85–87, 1983. Disponível em: https://pp.bme.hu/ci/article/view/4025. Acesso em: 18 may. 2024.