@article{10_4153_CJM_2014_025_x,
     author = {Mohar, Bojan and \v{S}koda, Petr},
     title = {Obstructions of {Connectivity} {Two} for {Embedding} {Graphs} into the {Torus}},
     journal = {Canadian journal of mathematics},
     pages = {1327--1357},
     year = {2014},
     volume = {66},
     number = {6},
     doi = {10.4153/CJM-2014-025-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2014-025-x/}
}