%0 Journal Article %A Tianling Jin %A YanYan Li %A Jingang Xiong %T On a fractional Nirenberg problem, part I: blow up analysis and compactness of solutions %J Journal of the European Mathematical Society %D 2014 %P 1111-1171 %V 16 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/456/ %R 10.4171/jems/456 %F JEMS_2014_16_6_a0