%0 Journal Article
%A Yu. M. Vorona
%A V. N. Vertsner
%T An electromagnetic lens with double focusing used to obtain electron diffraction micropatterns
%J Doklady Akademii Nauk
%D 1965
%P 61-62
%V 165
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1965_165_1_a16/
%G ru
%F DAN_1965_165_1_a16