%0 Journal Article %A S. I. Svinolupov %T Second-order evolution equations with symmetries %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1985 %P 241-242 %V 40 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1985_40_5_a12/ %G en %F RM_1985_40_5_a12