TY - JOUR AU - I. A. Ryzhkova TI - On trace regularity of solutions to a wave equation with homogeneous Neumann boundary conditions JO - Žurnal matematičeskoj fiziki, analiza, geometrii PY - 2007 SP - 468 EP - 489 VL - 3 IS - 4 UR - http://geodesic.mathdoc.fr/item/JMAG_2007_3_4_a5/ LA - en ID - JMAG_2007_3_4_a5 ER -