TY - JOUR AU - F. G. Avkhadiev TI - Rellich inequalities for polyharmonic operators in plane domains JO - Sbornik. Mathematics PY - 2018 SP - 292 EP - 319 VL - 209 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2018_209_3_a1/ LA - en ID - SM_2018_209_3_a1 ER -