Volume 248, Issue 3

This issue is a translation of Itogi Nauki i Tekhniki. Sovremennaya Matematika i Ee Prilozheniya. Tematicheskie Obzory (Progress in Science and Technology. Contemporary Mathematics and Its Applications. Thematic Surveys), Vol. 147, Proceedings of the Workshop on Algebra and Geometry of the Samara University, 2018.