@article{SIGMA_2014_10_a25,
     author = {Yasushi Kajihara},
     title = {Symmetry {Groups} of $A_n$ {Hypergeometric} {Series}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2014},
     volume = {10},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2014_10_a25/}
}