@article{ZNSL_1988_169_a3,
     author = {V. I. Vozyakov},
     title = {Functional approach to the theory of twodimensional quantum {Fermi} systems in an external periodic field},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {29--43},
     publisher = {mathdoc},
     volume = {169},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1988_169_a3/}
}