%0 Journal Article
%A A. V. Goncharsky
%A V. V. Stepanov
%T Problems of the focusing of radiation in the Fresnel
%J Doklady Akademii Nauk
%D 1988
%P 115-118
%V 299
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1988_299_1_a25/
%G ru
%F DAN_1988_299_1_a25