@article{VMUMM_2008_2_a5,
     author = {A. Yu. Onishchenko},
     title = {The center of a rational cohomology algebra for some loop spaces with respect to the {Pontryagin} product},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {28--33},
     publisher = {mathdoc},
     number = {2},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2008_2_a5/}
}