@article{SIGMA_2012_8_a81,
     author = {Alonso Contreras-Astorga and David J. Fern\'andez C. and Javier Negro},
     title = {Solutions of the {Dirac} equation in a magnetic field and intertwining operators},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2012},
     volume = {8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2012_8_a81/}
}