@article{TMF_2018_195_2_a6,
     author = {R. Unanyan},
     title = {Spectral gap of the~antiferromagnetic {Lipkin{\textendash}Meshkov{\textendash}Glick} model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {256--268},
     year = {2018},
     volume = {195},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2018_195_2_a6/}
}