@article{10_37236_880,
     author = {Oliver T. Dasbach},
     title = {A natural series for the natural logarithm},
     journal = {The electronic journal of combinatorics},
     year = {2008},
     volume = {15},
     doi = {10.37236/880},
     zbl = {1177.11055},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/880/}
}