Ruchti, Rene On formal spaces and their loop space. (English) Zbl 0373.55012 Ill. J. Math. 22, 96-107 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 55R05 Fiber spaces in algebraic topology 13C99 Theory of modules and ideals in commutative rings 18G10 Resolutions; derived functors (category-theoretic aspects) 55P15 Classification of homotopy type 55P35 Loop spaces PDF BibTeX XML Cite \textit{R. Ruchti}, Ill. J. Math. 22, 96--107 (1978; Zbl 0373.55012)