@article{IM2_1991_36_1_a7,
     author = {A. N. Varchenko},
     title = {The {Euler} beta-function, the {Vandermonde} determinant, {Legendre's} equation, and critical values of linear functions on a configuration of {hyperplanes.~II}},
     journal = {Izvestiya. Mathematics },
     pages = {155--167},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1991_36_1_a7/}
}