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@article{MM2_1992__76_1_155751, author = {Ulrich Koschorke}, title = {Belts and k-invariants of link maps in spheres.}, journal = {Manuscripta mathematica}, pages = {241--250}, publisher = {mathdoc}, volume = {76}, number = {1}, year = {1992}, zbl = {0791.57016}, url = {http://geodesic.mathdoc.fr/item/MM2_1992__76_1_155751/} }
Ulrich Koschorke. Belts and k-invariants of link maps in spheres.. Manuscripta mathematica, Tome 76 (1992) no. 1, pp. 241-250. http://geodesic.mathdoc.fr/item/MM2_1992__76_1_155751/