Elizalde, E. (Emili), 1950-Lobo Gutiérrez, José Alberto, 1953-2010-05-062010-05-0619800556-2821https://hdl.handle.net/2445/12327Through an imaginary change of coordinates in the Galilei algebra in 4 space dimensions and making use of an original idea of Dirac and Lvy-Leblond, we are able to obtain the relativistic equations of Dirac and of Bargmann and Wigner starting with the (Galilean-invariant) Schrdinger equation.4 p.application/pdfeng(c) The American Physical Society, 1980Equacions d'onesWave equationinfo:eu-repo/semantics/article4773info:eu-repo/semantics/openAccess