@article{DBLP:journals/jct/RobertsonS90b,
author = {Neil Robertson and
Paul D. Seymour},
title = {Graph minors. VIII. A kuratowski theorem for general surfaces},
journal = {J. Comb. Theory, Ser. B},
volume = {48},
number = {2},
year = {1990},
pages = {255-288},
ee = {http://dx.doi.org/10.1016/0095-8956(90)90121-F},
bibsource = {DBLP, http://dblp.uni-trier.de}
}