TY - JOUR T1 - Prescribing a fourth oder conformal invariant on the standard sphere - Part I: a perturbation result JF - Commun. Contemp. Math., 2002, 4, 375 Y1 - 2002 A1 - Zindine Djadli A1 - Mohameden Ould Ahmedou A1 - Andrea Malchiodi PB - SISSA Library UR - http://hdl.handle.net/1963/1539 U1 - 2624 U2 - Mathematics U3 - Functional Analysis and Applications ER -