%0 Journal Article
%A O. I. Zavialov
%A V. P. Pavlov
%T The matrix element of the reaction $\pi+\mathrm{N}\to\pi+\pi+\mathrm{N}$ at low energies
%J Doklady Akademii Nauk
%D 1961
%P 79-82
%V 139
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1961_139_1_a20/
%G ru
%F DAN_1961_139_1_a20