%0 Journal Article %A I. A. Cheltsov %T The method of degeneracy and the irrationality of %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2004 %P 792-793 %V 59 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2004_59_4_a8/ %G en %F RM_2004_59_4_a8