%0 Journal Article
%A Pajitnov, Andrei
%T On the tunnel number and the Morse–Novikov number of knots
%J Algebraic and Geometric Topology
%D 2010
%P 627-635
%V 10
%N 2
%U http://geodesic.mathdoc.fr/articles/10.2140/agt.2010.10.627/
%R 10.2140/agt.2010.10.627
%F 10_2140_agt_2010_10_627