Symmetry, Integrability and Geometry: Methods and Applications, 2019, том 15

Symmetry, Integrability and Geometry: Methods and Applications, 2019, том 15 http://dspace.nbuv.gov.ua:80/handle/123456789/150617 2026-04-08T21:26:07Z 2026-04-08T21:26:07Z