Tangles, Property P, and a Problem of J. Martin.
Mathematische Annalen, Tome 273 (1985), pp. 215-226
@article{MAN_1985__273_164050,
author = {Martin Scharlemann and Steven Bleiler},
title = {Tangles, {Property} {P,} and a {Problem} of {J.} {Martin.}},
journal = {Mathematische Annalen},
pages = {215--226},
year = {1985},
volume = {273},
url = {http://geodesic.mathdoc.fr/item/MAN_1985__273_164050/}
}
Martin Scharlemann; Steven Bleiler. Tangles, Property P, and a Problem of J. Martin.. Mathematische Annalen, Tome 273 (1985), pp. 215-226. http://geodesic.mathdoc.fr/item/MAN_1985__273_164050/