@article{DBLP:journals/jct/Schrijver91b,
author = {Alexander Schrijver},
title = {Decomposition of graphs on surfaces and a homotopic circulation
theorem},
journal = {J. Comb. Theory, Ser. B},
volume = {51},
number = {2},
year = {1991},
pages = {161-210},
ee = {http://dx.doi.org/10.1016/0095-8956(91)90036-J},
bibsource = {DBLP, http://dblp.uni-trier.de}
}