%0 Journal Article %A A. Yu. Onishchenko %T The center of a rational cohomology algebra for some loop spaces with respect to the Pontryagin product %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2008 %P 28-33 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2008_2_a5/ %G ru %F VMUMM_2008_2_a5