@article{AA_2005_17_3_a2,
     author = {L. I. Danilov},
     title = {The absence of eigenvalues in the spectrum of ageneralized two-dimensional periodic {Dirac} operator},
     journal = {Algebra i analiz},
     pages = {47--80},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2005_17_3_a2/}
}