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@article{MAN_1971__193_182722, author = {J. Wolfgang SMITH}, title = {On the {Homology} {Structure} of {Submersions.}}, journal = {Mathematische Annalen}, pages = {217--224}, publisher = {mathdoc}, volume = {193}, year = {1971}, zbl = {0209.27801}, url = {http://geodesic.mathdoc.fr/item/MAN_1971__193_182722/} }
J. Wolfgang SMITH. On the Homology Structure of Submersions.. Mathematische Annalen, Tome 193 (1971), pp. 217-224. http://geodesic.mathdoc.fr/item/MAN_1971__193_182722/