%0 Journal Article
%A R. G. Ismagilov
%T Exact instanton-anti-instanton solutions and semiclassical expansion in the~$\sigma$ model with fermions
%J Teoretičeskaâ i matematičeskaâ fizika
%D 1985
%P 60-69
%V 65
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_1985_65_1_a5/
%G ru
%F TMF_1985_65_1_a5