%0 Journal Article %A Mohar, Bojan %A Škoda, Petr %T Obstructions of Connectivity Two for Embedding Graphs into the Torus %J Canadian journal of mathematics %D 2014 %P 1327-1357 %V 66 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2014-025-x/ %R 10.4153/CJM-2014-025-x %F 10_4153_CJM_2014_025_x