@article{TMF_2021_206_3_a1,
     author = {M. Bertola and D. A. Korotkin},
     title = {WKB expansion for {a~Yang--Yang} generating function and {the~Bergman} tau function},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {295--338},
     publisher = {mathdoc},
     volume = {206},
     number = {3},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2021_206_3_a1/}
}