@article{10_37236_986,
     author = {Karola M\'esz\'aros},
     title = {On the number of genus one labeled circle trees},
     journal = {The electronic journal of combinatorics},
     year = {2007},
     volume = {14},
     doi = {10.37236/986},
     zbl = {1159.05028},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/986/}
}