TUTAJ, E. A certain note about the geometry of the first counting function graph. Science, Technology and Innovation, [S. l.], v. 4, n. 3, p. 55–77, 2017. DOI: 10.5604/01.3001.0010.8001. Disponível em: https://journals.anstar.edu.pl/index.php/sti/article/view/198. Acesso em: 3 jul. 2024.