Escobar, C. O.2022-04-292022-04-291974-08-01Lettere Al Nuovo Cimento Series 2, v. 10, n. 17, p. 741-746, 1974.0375-930X1827-613Xhttp://hdl.handle.net/11449/231169741-746engElectromagnetic-mass differences in a relativistic quark modelArtigo10.1007/BF027425272-s2.0-51649190781