@article{NANO_2013_4_4_a1,
     author = {M. H. Brynildsen and H. D. Cornean},
     title = {On spectral gaps in graphene in a weak constant magnetic field},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {467--473},
     publisher = {mathdoc},
     volume = {4},
     number = {4},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2013_4_4_a1/}
}