%0 Journal Article
%A R. N. Smirnov
%A N. M. Karavaev
%T The nature of the systems of conjugate bonds in coals
%J Doklady Akademii Nauk
%D 1965
%P 597-599
%V 162
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1965_162_3_a29/
%G ru
%F DAN_1965_162_3_a29