@article{MAN_1990__286_1-3_164663,
     author = {Ulrich Koschorke},
     title = {On link maps and their homotopy classification.},
     journal = {Mathematische Annalen},
     pages = {753--782},
     publisher = {mathdoc},
     volume = {286},
     number = {1-3},
     year = {1990},
     zbl = {0662.57013},
     url = {http://geodesic.mathdoc.fr/item/MAN_1990__286_1-3_164663/}
}