%0 Journal Article
%A A. V. Aminova
%T Projective-group symmetries of Friedmann universes and of their multidimensional generalizations--symmetries of ordinary $h$-spaces of type $\{1(1\dots 1)\}$
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1987
%P 66-68
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1987_12_a13/
%G ru
%F IVM_1987_12_a13