Symmetry, Integrability and Geometry: Methods and Applications, 2018, том 14

Symmetry, Integrability and Geometry: Methods and Applications, 2018, том 14 http://dspace.nbuv.gov.ua:80/handle/123456789/146043 2026-04-10T09:39:23Z 2026-04-10T09:39:23Z