TY - JOUR AU - D. I. Borisov TI - On lacunas in the spectrum of the Laplacian with the Dirichlet boundary condition in a strip with oscillating boundary JO - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory PY - 2019 SP - 3 EP - 14 VL - 162 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTO_2019_162_a0/ LA - ru ID - INTO_2019_162_a0 ER -