@article{TMF_1978_35_3_a6,
     author = {V. G. Bar'yakhtar and V. N. Krivoruchko and D. A. Yablonskii},
     title = {Symmetry of a~magnet and behavior of quasiparticle spectra at low momenta},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {352--360},
     publisher = {mathdoc},
     volume = {35},
     number = {3},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1978_35_3_a6/}
}