@article{SIGMA_2017_13_a8,
     author = {Kanehisa Takasaki and Toshio Nakatsu},
     title = {$q${-Difference} {Kac{\textendash}Schwarz} {Operators} in {Topological} {String} {Theory}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2017},
     volume = {13},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2017_13_a8/}
}