%0 Journal Article %A Yu. N. Zavarovskii %T Normal form of the key function of the generalized Kirchhoff equation %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1983 %P 159-160 %V 38 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1983_38_3_a13/ %G en %F RM_1983_38_3_a13