@article{TMF_1990_85_2_a3,
     author = {I. A. Koshovets},
     title = {Limiting density of~states for quantum rotator model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {193--204},
     year = {1990},
     volume = {85},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1990_85_2_a3/}
}