%0 Journal Article %A A. A. Belavin %A Al. B. Zamolodchikov %T Integrals over moduli spaces, ground ring, and four-point function in %J Teoretičeskaâ i matematičeskaâ fizika %D 2006 %P 339-371 %V 147 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2006_147_3_a0/ %G ru %F TMF_2006_147_3_a0