%0 Journal Article
%A A. Baldin
%A P. Kabir
%T On the possible existence of a second neutral pion
%J Doklady Akademii Nauk
%D 1958
%P 361-364
%V 122
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1958_122_3_a9/
%G ru
%F DAN_1958_122_3_a9