USTINOVA, I. Fractality of concentric structures in space of ecologic-urban planning systems. Pidvodni tehnologii, [S. l.], n. 7, p. С.87–95, 2017. DOI: 10.26884/1707.1902. Disponível em: http://uwtech.knuba.edu.ua/article/view/112491. Acesso em: 25 лис. 2024.