The product formula for Lusternik-Schnirelmann category.
Roitberg, Joseph
Geometry & Topology, Tome 5 (2001), p. 491-502 / Harvested from The Electronic Library of Mathematics
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Publié le : 2001-01-01
DOI : https://doi.org/10.2140/agt.2001.1.491
EUDML-ID : urn:eudml:doc:121462 
@article{01645694,
     title = {The product formula for Lusternik-Schnirelmann category.},
     journal = {Geometry \& Topology},
     volume = {5},
     year = {2001},
     pages = {491-502},
     doi = {10.2140/agt.2001.1.491},
     zbl = {0976.55002},
     language = {en},
     url = {http://dml.mathdoc.fr/item/01645694}
}

Roitberg, Joseph. The product formula for Lusternik-Schnirelmann category.. Geometry & Topology, Tome 5 (2001) pp. 491-502. doi : 10.2140/agt.2001.1.491. http://gdmltest.u-ga.fr/item/01645694/