%0 Journal Article %A D. V. Millionshchikov %T Characteristic Lie algebras of the sinh-Gordon and Tzitzeica equations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2017 %P 1174-1176 %V 72 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2017_72_6_a7/ %G en %F RM_2017_72_6_a7