Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MM2_1990__69_1_155565, author = {Duane Randall}, title = {On 4-manifolds and span-related numbers for cat manifolds.}, journal = {Manuscripta mathematica}, pages = {339--352}, publisher = {mathdoc}, volume = {69}, number = {1}, year = {1990}, zbl = {0772.57027}, url = {http://geodesic.mathdoc.fr/item/MM2_1990__69_1_155565/} }
Duane Randall. On 4-manifolds and span-related numbers for cat manifolds.. Manuscripta mathematica, Tome 69 (1990) no. 1, pp. 339-352. http://geodesic.mathdoc.fr/item/MM2_1990__69_1_155565/