@article{10_4153_CJM_1982_035_0,
     author = {Goulden, I. P. and Jackson, D. M.},
     title = {The {Application} of {Lagrangian} {Methods} to the {Enumeration} of {Labelled} {Trees} with {Respect} to {Edge} {Partition}},
     journal = {Canadian journal of mathematics},
     pages = {513--518},
     year = {1982},
     volume = {34},
     number = {3},
     doi = {10.4153/CJM-1982-035-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1982-035-0/}
}