%0 Journal Article %A A. N. Varchenko %T The Euler beta-function, the Vandermonde determinant, Legendre's equation, and critical values of linear functions on a~configuration of hyperplanes.~I %J Izvestiya. Mathematics %D 1990 %P 543-571 %V 35 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1990_35_3_a2/ %G en %F IM2_1990_35_3_a2