TY - JOUR AU - L. V. Fardigola TI - On controllability problems for the wave equation on a half-plane JO - Žurnal matematičeskoj fiziki, analiza, geometrii PY - 2005 SP - 93 EP - 115 VL - 1 IS - 1 UR - http://geodesic.mathdoc.fr/item/JMAG_2005_1_1_a5/ LA - en ID - JMAG_2005_1_1_a5 ER -