@article{TMF_2012_172_3_a7,
     author = {M. I. Katsnel'son and V. E. Nazaikinskii},
     title = {The~Aharonov{\textendash}Bohm effect for massless {Dirac} fermions and the~spectral flow of {Dirac-type} operators with classical boundary conditions},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {437--453},
     year = {2012},
     volume = {172},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2012_172_3_a7/}
}