@article {Dimakis:November 1998:0011-4626:1319,
	author = "Dimakis A.",
	author = "Muller-Hoissen F.",
	title = "Noncommutative geometry and a class of completely integrable models",
	journal = "Czechoslovak Journal of Physics",
	volume = "48",
	year = "November 1998",
	abstract = "<P>We introduce a Hodge operator in a framework of noncommutative geometry. The complete integrability of 2-dimensional classical harmonic maps into groups (<IMG SRC="/iso-ents/isogrk32/sigma-s.gif" ALT="sigma">-models or principal chiral models) is then extended to a class of &#145;noncommutative&#146; harmonic maps into matrix algebras.</P>",
	pages = "1319-1324(6)",
	url = "http://www.ingentaconnect.com/content/klu/cjop/1998/00000048/00000011/00411526"
}