@article{GDZPPN002069768,
title = {Algorithmic unsolvability of the triviality problem for multidimensional knots.},
journal = {Commentarii mathematici Helvetici},
volume = {71},
year = {1996},
pages = {426-434},
zbl = {0862.57017},
url = {http://dml.mathdoc.fr/item/GDZPPN002069768}
}
Nabutovsky, A.; Weinberger, Sh. Algorithmic unsolvability of the triviality problem for multidimensional knots.. Commentarii mathematici Helvetici, Tome 71 (1996) pp. 426-434. http://gdmltest.u-ga.fr/item/GDZPPN002069768/