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@article{MZ_1963__82_170178, author = {B. Eckman and P.J. Hilton}, title = {A natural transformation in homotopy theory and a theorem of {G.W.} {Whitehead.}}, journal = {Mathematische Zeitschrift}, pages = {115--124}, publisher = {mathdoc}, volume = {82}, year = {1963}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MZ_1963__82_170178/} }
B. Eckman; P.J. Hilton. A natural transformation in homotopy theory and a theorem of G.W. Whitehead.. Mathematische Zeitschrift, Tome 82 (1963), pp. 115-124. http://geodesic.mathdoc.fr/item/MZ_1963__82_170178/