%0 Journal Article
%A Borodzik, Maciej
%A Friedl, Stefan
%T The unknotting number and classical invariants, I
%J Algebraic and Geometric Topology
%D 2015
%P 85-135
%V 15
%N 1
%U http://geodesic.mathdoc.fr/articles/10.2140/agt.2015.15.85/
%R 10.2140/agt.2015.15.85
%F 10_2140_agt_2015_15_85