@article{10_4171_dm_39,
     author = {Meike Sch\"affler},
     title = {Partition regular systems of linear inequalities},
     journal = {Documenta mathematica},
     pages = {149--187},
     year = {1998},
     volume = {3},
     doi = {10.4171/dm/39},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/39/}
}