Real algebra from Hilbert's 17th problem

Fernando Galván, José FranciscoGamboa Mutuberria, José Manuel2023-06-202023-06-202012978-884673364-1https://hdl.handle.net/20.500.14352/46777spaReal algebra from Hilbert's 17th problembookhttp://cisne.sim.ucm.es/record=b3230842~S6*spirestricted access512Geometría algebraicaPolinomiosÁlgebra1201 Álgebra