Ira M. Gessel. A combinatorial proof of the multivariable lagrange inversion formula. Journal of Combinatorial Theory, Series A, 45(2):178-195, 1987. [doi]
@article{Gessel87,
title = {A combinatorial proof of the multivariable lagrange inversion formula},
author = {Ira M. Gessel},
year = {1987},
doi = {10.1016/0097-3165(87)90013-6},
url = {http://dx.doi.org/10.1016/0097-3165(87)90013-6},
researchr = {https://researchr.org/publication/Gessel87},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {45},
number = {2},
pages = {178-195},
}