%0 Journal Article %A E. G. Emel'yanov %T Conformal invariant functionals on the Riemann sphere %J Zapiski Nauchnykh Seminarov POMI %D 2001 %P 134-154 %V 276 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2001_276_a6/ %G ru %F ZNSL_2001_276_a6