@article{TMF_1978_34_2_a8,
     author = {V. I. Lymar' and Yu. G. Rudoi},
     title = {Spectrum and correlation functions of an~anisotropic heisenberg antiferromagnet. {IV.~Model} of easy plane type with allowance for {Dzyaloshinskii} interaction},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {217--232},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1978_34_2_a8/}
}