@article{10_37236_3472,
     author = {Gwendal Collet and \'Eric Fusy},
     title = {A simple formula for the series of constellations and quasi-constellations with boundaries},
     journal = {The electronic journal of combinatorics},
     year = {2014},
     volume = {21},
     number = {2},
     doi = {10.37236/3472},
     zbl = {1300.05074},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/3472/}
}