%0 Journal Article %A Diomeda, Lorenza %A Lisena, Benedetta %T Propagation, reflection and refraction of singularities for a hyperbolic transmission problem in two adjacent angular regions %J Rendiconti del Seminario Matematico della Università di Padova %D 1987 %P 1-26 %V 78 %I Seminario Matematico of the University of Padua %U http://archive.numdam.org/item/RSMUP_1987__78__1_0/ %G en %F RSMUP_1987__78__1_0