%0 Journal Article %A M. A. Lyalinov %T Weyl–Van der Poll phenomenon in acoustic diffraction by a wedge or cone with impedance boundary conditions %J Zapiski Nauchnykh Seminarov POMI %D 2015 %P 178-202 %V 438 %U http://geodesic.mathdoc.fr/item/ZNSL_2015_438_a11/ %G ru %F ZNSL_2015_438_a11