TY - JOUR AU - D. A. Ivanov AU - M. M. Potapov TI - Approximations to time-optimal boundary controls for weak generalized solutions of the wave equation JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2017 SP - 605 EP - 624 VL - 57 IS - 4 UR - http://geodesic.mathdoc.fr/item/ZVMMF_2017_57_4_a2/ LA - ru ID - ZVMMF_2017_57_4_a2 ER -