%0 Journal Article %A S.M. Gomes %A A.K. Kushpel %A J. Levesley %T Approximation in L... Sobolev Spaces on the 2-Sphere by Quasi-Interpolation. %J The journal of Fourier analysis and applications [[Elektronische Ressource]] %D 2001 %P 283-296 %V 7 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JFAA_2001__7_4_59682/ %F JFAA_2001__7_4_59682