Arias, F.A ; Malakhaltsev, M Arias, F.A., Malakhaltsev, M. Topological and Differential Invariants of Singularities of Contact Structure on a Three-Dimensional Manifold. Lobachevskii J Math 41, 2415–2426 (2020). https://doi.org/10.1134/S1995080220120070.
,
2020
Campeny, E ; López-Pelayo, H ; Nutt, D... CERCA Programme / Generalitat de Catalunya. Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Hospital Clínic i Univer- sitari de Barcelona. Plan Nacional Sobre Drogas, Ministerio de Sanidad y Con- sumo. Ministry of Economy and Competitiveness, Instituto de Salud Carlos III through a 'Rıo Hortega' Janssen and Lundbeck..
,
2020