@article{10_37236_3053,
     author = {Abraham Isgur and Vitaly Kuznetsov and Mustazee Rahman and Stephen Tanny},
     title = {Nested recursions, simultaneous parameters and tree superpositions},
     journal = {The electronic journal of combinatorics},
     year = {2014},
     volume = {21},
     number = {1},
     doi = {10.37236/3053},
     zbl = {1331.11008},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/3053/}
}