Fernando Galván, José Francisco2024-01-292024-01-292021Fernando Galván, J. F. «Positive Semidefinite Analytic Functions on Real Analytic Surfaces». The Journal of Geometric Analysis, vol. 31, n.o 12, diciembre de 2021, pp. 12375-410. DOI.org (Crossref), https://doi.org/10.1007/s12220-021-00721-1.10.1007/s12220-021-00721-1https://hdl.handle.net/20.500.14352/96132engAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/journal articlehttps://doi.org/10.1007/s12220-021-00721-1https://link.springer.com/article/10.1007/s12220-021-00721-1restricted accessCiencias12 Matemáticas