Non-Local Extensions of the Conformal Algebra : Matrix W-Algebras, Matrix KdV-Hierarchies and Non-Abelian Toda Theories
Les rencontres physiciens-mathématiciens de Strasbourg -RCP25, Tome 47 (1995), Exposé no. 4, 33 p. 
@article{RCP25_1995__47__93_0,
     author = {Bilal, Adel},
     title = {Non-Local {Extensions} of the {Conformal} {Algebra} : {Matrix} {W-Algebras,} {Matrix} {KdV-Hierarchies} and {Non-Abelian} {Toda} {Theories}},
     journal = {Les rencontres physiciens-math\'ematiciens de Strasbourg -RCP25},
     note = {talk:4},
     pages = {93--125},
     publisher = {Institut de Recherche Math\'ematique Avanc\'ee - Universit\'e Louis Pasteur},
     volume = {47},
     year = {1995},
     language = {en},
     url = {http://www.numdam.org/item/RCP25_1995__47__93_0/}
}
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Bilal, Adel. Non-Local Extensions of the Conformal Algebra : Matrix W-Algebras, Matrix KdV-Hierarchies and Non-Abelian Toda Theories. Les rencontres physiciens-mathématiciens de Strasbourg -RCP25, Tome 47 (1995), Exposé no. 4, 33 p. http://www.numdam.org/item/RCP25_1995__47__93_0/

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