%0 Journal Article %A V. I. Lymar' %A Yu. G. Rudoi %T Spectrum and correlation functions of an anisotropic heisenberg antiferromagnet.~II. Paramagnetic phase in the generalized Hartree--Fock approximation %J Teoretičeskaâ i matematičeskaâ fizika %D 1975 %P 391-399 %V 24 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1975_24_3_a9/ %G ru %F TMF_1975_24_3_a9