@article{GDZPPN002061996, title = {Aspherical Manifolds and Higher-Dimensional Knots}, journal = {Commentarii mathematici Helvetici}, volume = {51}, year = {1976}, pages = {93-98}, zbl = {0321.57010}, url = {http://dml.mathdoc.fr/item/GDZPPN002061996} }
Eckmann, Beno. Aspherical Manifolds and Higher-Dimensional Knots. Commentarii mathematici Helvetici, Tome 51 (1976) pp. 93-98. http://gdmltest.u-ga.fr/item/GDZPPN002061996/