JAIN, P.; TUTEJA, R. K. Lower Bounds of The ‘Useful’ Mean Code Word Length for the Best 1:1 Code. The Journal of the Indian Mathematical Society, [S. l.], v. 53, n. 1-4, p. 231–236, 1988. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/22013. Acesso em: 26 may. 2024.