@article{SIGMA_2008_4_a23,
     author = {Brigitte Hiller and Alexander A. Osipov and Alex H. Blin and Jo\~ao da Provid\^encia},
     title = {Effects of {Quark} {Interactions} on {Dynamical} {Chiral} {Symmetry} {Breaking} by {a~Magnetic} {Field}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2008},
     volume = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2008_4_a23/}
}