%0 Journal Article
%A B. N. Petrov
%A V. A. Viktorov
%A B. V. Lunkin
%T On the measurement of the amount of medium in a closed space
%J Doklady Akademii Nauk
%D 1969
%P 564-567
%V 186
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1969_186_3_a19/
%G ru
%F DAN_1969_186_3_a19