TY - JOUR AU - A. Yu. Anikin AU - S. Yu. Dobrokhotov AU - V. E. Nazaikinskii AU - A. V. Tsvetkova TI - Asymptotics, Related to Billiards with Semi-Rigid Walls, of Eigenfunctions of the $\nabla D(x)\nabla$ Operator in Dimension~2 and Trapped Coastal Waves JO - Matematičeskie zametki PY - 2019 SP - 792 EP - 797 VL - 105 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2019_105_5_a11/ LA - ru ID - MZM_2019_105_5_a11 ER -