%0 Journal Article %A V. B. Philippov %T Point source field near concave boundary %J Zapiski Nauchnykh Seminarov POMI %D 2008 %P 212-219 %V 354 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2008_354_a10/ %G ru %F ZNSL_2008_354_a10