A Quick proof of Singhof's cat (M x S1) = cat (M) + 1 theorem.
Montejano, Luis
Manuscripta mathematica, Tome 43 (1983), p. 49-52 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1983-01-01
EUDML-ID : urn:eudml:doc:154921 
@article{GDZPPN002224941,
     title = {A Quick proof of Singhof's cat (M x S1) = cat (M) + 1 theorem.},
     journal = {Manuscripta mathematica},
     volume = {43},
     year = {1983},
     pages = {49-52},
     zbl = {0639.55001},
     url = {http://dml.mathdoc.fr/item/GDZPPN002224941}
}

Montejano, Luis. A Quick proof of Singhof's cat (M x S1) = cat (M) + 1 theorem.. Manuscripta mathematica, Tome 43 (1983) pp. 49-52. http://gdmltest.u-ga.fr/item/GDZPPN002224941/