Multiplicative method for creating the traffic monitoring base in a megapolisOlga Makovetskaya-Abramova, Yuriy Lazarev, Marina Gravit, Svetlana Silla and Mariya ShakhovaE3S Web Conf., 164 (2020) 03023DOI: https://doi.org/10.1051/e3sconf/202016403023