TY - JOUR AU - P. A. Kuchment TI - The absence of $L_2$-solutions for periodic partial differential equations JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1980 SP - 247 EP - 248 VL - 35 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1980_35_2_a12/ LA - en ID - RM_1980_35_2_a12 ER -