@article{TMF_1981_48_3_a3,
     author = {A. G. Izergin and V. E. Korepin and F. A. Smirnov},
     title = {Trace formulas for the quantum nonlinear {Schr\"odinger} equation},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {319--323},
     year = {1981},
     volume = {48},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1981_48_3_a3/}
}