%0 Journal Article %A I. V. Semenova %T Directional radiator field in wave-guided sound spreading semispace %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2009 %P 168-176 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2009_2_a18/ %G ru %F VSGTU_2009_2_a18