%0 Journal Article
%A B. G. Nikolaev
%T The field of a point source in the neighborhood of an opaque circular cone.~I
%J Informatics and Automation
%D 1971
%P 138-153
%V 115
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1971_115_a11/
%G ru
%F TRSPY_1971_115_a11