Volume 236, Issue 6, February 2019

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. 137, Mathematical Physics, 2017.

ISSN: 1072-3374 (Print) 1573-8795 (Online)