TY - JOUR AU - A. S. Mikhailov AU - V. S. Mikhailov TI - Inverse dynamic problem for the wave equation with periodic boundary conditions JO - Nanosistemy: fizika, himiâ, matematika PY - 2019 SP - 115 EP - 123 VL - 10 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NANO_2019_10_2_a0/ LA - en ID - NANO_2019_10_2_a0 ER -