%0 Journal Article
%A Burghelea, Dan
%T A refinement of Betti numbers and homology in the presence of a continuous function, I
%J Algebraic and Geometric Topology
%D 2017
%P 2051-2080
%V 17
%N 4
%U http://geodesic.mathdoc.fr/articles/10.2140/agt.2017.17.2051/
%R 10.2140/agt.2017.17.2051
%F 10_2140_agt_2017_17_2051