@article {Xu:4 June 2000:0308-2105:651,
	author = "Xu X.",
	title = "Uniqueness theorem for the entire positive solutions of biharmonic equations in Rn",
	journal = "Proceedings Section A: Mathematics - Royal Society of Edinburgh",
	volume = "130",
	year = "4 June 2000",
	abstract = "The entire positive solutions of a conformally invariant biharmonic equation in <B>R</B><SUP><I>n</I></SUP> will be classified using the method of moving spheres. As a byproduct, one also shows that any entire non-negative solution of the equation <IMG SRC="/iso-ents/isogrk32/delta-c.gif" ALT="Delta"><SUP>2</SUP><I>u</I> = <I>u<SUP>p</SUP></I> with 1 <IMG SRC="/iso-ents/isotech/le.gif" ALT="le"> <I>p</I> &#060; ( <I>n</I> + 4 ) / ( <I>n</I> - 4 ) with <I>n</I> <IMG SRC="/iso-ents/isotech/ge.gif" ALT="ge"> 2 is zero.",
	pages = "651-670(20)",
	url = "http://www.ingentaconnect.com/content/rse/proca/2000/00000130/00000003/art00012"
}