%0 Journal Article %A Igor Mineyev %T Submultiplicativity and the Hanna Neumann Conjecture %J Annals of mathematics %D 2012 %P 393-414 %V 175 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2012.175.1.11/ %R 10.4007/annals.2012.175.1.11 %G en %F 10_4007_annals_2012_175_1_11