%0 Journal Article %A A. B. Plachenov %T Tilted nonparaxial beams and packets for the wave equation with two spatial variables %J Zapiski Nauchnykh Seminarov POMI %D 2011 %P 224-233 %V 393 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2011_393_a15/ %G ru %F ZNSL_2011_393_a15