@article{IM_1989__95_3_143655,
     author = {F. Beukers and G. Heckman},
     title = {Monodromy for the hypergeometric function {nFn-1.}},
     journal = {Inventiones mathematicae},
     pages = {325--354},
     publisher = {mathdoc},
     volume = {95},
     number = {3},
     year = {1989},
     zbl = {0663.30044},
     url = {http://geodesic.mathdoc.fr/item/IM_1989__95_3_143655/}
}