@article{TMF_1973_15_3_a11,
     author = {Yu. G. Rudoi and Yu. A. Tserkovnikov},
     title = {Single-particle {Green's} function in the anisotropic {Heisenberg} {model~II.} {Allowance} for higher correlation functions},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {388--406},
     publisher = {mathdoc},
     volume = {15},
     number = {3},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1973_15_3_a11/}
}