@article{GDZPPN002427966, title = {The Homotopoy Type of Four-Dimensional Knot Complements.}, journal = {Mathematische Zeitschrift}, volume = {183}, year = {1983}, pages = {447-472}, zbl = {0516.57009}, url = {http://dml.mathdoc.fr/item/GDZPPN002427966} }
Plotnick, Steven P. The Homotopoy Type of Four-Dimensional Knot Complements.. Mathematische Zeitschrift, Tome 183 (1983) pp. 447-472. http://gdmltest.u-ga.fr/item/GDZPPN002427966/