%0 Journal Article
%A P. P. Tammela
%T Minkowski reduction region for positive quadratic forms in seven variables
%J Zapiski Nauchnykh Seminarov POMI
%D 1977
%P 108-143
%V 67
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1977_67_a4/
%G ru
%F ZNSL_1977_67_a4