%0 Journal Article %A P. A. Kuchment %T The absence of $L_2$-solutions for periodic partial differential equations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1980 %P 247-248 %V 35 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1980_35_2_a12/ %G en %F RM_1980_35_2_a12