%0 Journal Article
%A A. D. Donkov
%A V. G. Kadyshevskii
%A M. D. Mateev
%A R. M. Mir-Kassimov
%T Extension of the $S$-matrix off the mass shell and momentum space of constant curvature
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1975
%P 85-129
%V 136
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1975_136_a6/
%G en
%F TM_1975_136_a6