A Condition In Constructing Chain Homotopies
Masatsugu Nagata
Kyoto University, Japan
Cite this article
Masatsugu Nagata, A Condition In Constructing Chain Homotopies. Publ. Res. Inst. Math. Sci. 21 (1985), no. 4, pp. 835–841
DOI 10.2977/PRIMS/1195178933