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@article{IM_1987__90_143525, author = {T.D. Cochran}, title = {Link concordance invariants and homotopy theory.}, journal = {Inventiones mathematicae}, pages = {635--646}, publisher = {mathdoc}, volume = {90}, year = {1987}, zbl = {0637.57015}, url = {http://geodesic.mathdoc.fr/item/IM_1987__90_143525/} }
T.D. Cochran. Link concordance invariants and homotopy theory.. Inventiones mathematicae, Tome 90 (1987), pp. 635-646. http://geodesic.mathdoc.fr/item/IM_1987__90_143525/