TY - JOUR AU - A. A. Bobylev TI - On the positive definiteness of the Poincar\'e--Steklov operator for elastic half-plane JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2021 SP - 34 EP - 40 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2021_6_a5/ LA - ru ID - VMUMM_2021_6_a5 ER -