@article{105515, author = {Daniel A. Moran}, title = {Minimal cell coverings of some sphere bundles}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {014}, year = {1973}, pages = {647-650}, zbl = {0266.55011}, mrnumber = {0331383}, language = {en}, url = {http://dml.mathdoc.fr/item/105515} }
Moran, Daniel A. Minimal cell coverings of some sphere bundles. Commentationes Mathematicae Universitatis Carolinae, Tome 014 (1973) pp. 647-650. http://gdmltest.u-ga.fr/item/105515/
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