On sheaves of Abelian groups and universality S. D. Iliadis | Yu. V. Sadovnichy | Show more S. D. Iliadis Russian Federation Moscow State University ; Moscow Center of Fundamental and Applied Mathematics Professor of Faculty of Mechanics and Mathematics Yu. V. Sadovnichy Russian Federation Moscow State University ; Moscow Center of Fundamental and Applied Mathematics Professor of Faculty of Mechanics and Mathematics Submitted: 2020-09-29 | Accepted: 2020-11-09 | Published: 2021-04-01 DOI: https://doi.org/10.4995/agt.2021.14422