%0 Journal Article
%A D. M. Murin
%A V. N. Knyazev
%T On the issue of using ``Useful'' tasks for proof of works in blockchain
%J Modelirovanie i analiz informacionnyh sistem
%D 2019
%P 244-255
%V 26
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAIS_2019_26_2_a4/
%G ru
%F MAIS_2019_26_2_a4