You can find digital copies of Butor's works in various languages on these platforms: Passage de Milan : Butor, Michel - Internet Archive
To find a detailed paper analyzing Michel Butor or to download his books, you can use the following academic and digital library resources. mishel biutor skachat knigi
A study on his role in the development of the "New Novel" can be found on Ural Federal University's repository . You can find digital copies of Butor's works