%0 Journal Article %A V. I. Lymar' %A Yu. G. Rudoi %T Spectrum and correlation functions of anisotropic Heisenberg antiferromagnet III spin-flop phase in the generalized Hartree--Fock approximation %J Teoretičeskaâ i matematičeskaâ fizika %D 1977 %P 249-263 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1977_30_2_a10/ %G ru %F TMF_1977_30_2_a10