%0 Journal Article
%A P. I. Kaleda
%T Singular systems on the plane and in space
%J Trudy Seminara im. I.G. Petrovskogo
%D 2011
%P 204-228
%V 28
%N 28
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TSP_2011_28_28_a7/
%G ru
%F TSP_2011_28_28_a7