%0 Journal Article
%T An experimental study of the optical isotropy of space
%A V. V. Ragul’skii
%I Physics-Uspekhi
%D 1997
%J Phys. Usp.
%V 40
%N 9
%P 972-974
%U https://ufn.ru/en/articles/1997/9/j/
%U https://doi.org/10.1070/PU1997v040n09ABEH001573