@article{AIHPA_1986__45_1_49_0,
     author = {Matsui, Taku},
     title = {Explicit formulas for correlation functions of ground states of the 1 dimensional {XY} model},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {49--59},
     publisher = {Gauthier-Villars},
     volume = {45},
     number = {1},
     year = {1986},
     mrnumber = {856448},
     zbl = {0595.60095},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1986__45_1_49_0/}
}