@article{DMTCS_2010_special_259_a7,
     author = {Kitaev, Sergey and Remmel, Jeffrey},
     title = {Enumerating (2+2)-free posets by the number of minimal elements and other statistics},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {DMTCS Proceedings vol. AN, 22nd International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2010)},
     year = {2010},
     doi = {10.46298/dmtcs.2812},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.2812/}
}