@article{10_37236_158,
     author = {Martin Gr\"uttm\"uller and Sven Hartmann and Thomas Kalinowski and Uwe Leck and Ian T. Roberts},
     title = {Maximal flat antichains of minimum weight},
     journal = {The electronic journal of combinatorics},
     year = {2009},
     volume = {16},
     number = {1},
     doi = {10.37236/158},
     zbl = {1229.05261},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/158/}
}