@article{DAN_1960_130_6_a17,
     author = {Pu Fu-chuoh},
     title = {An approximate method for calculating the ground state of an isotropic antiferromagnetic},
     journal = {Doklady Akademii Nauk},
     pages = {1244--1247},
     year = {1960},
     volume = {130},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_130_6_a17/}
}