Joachim von zur Gathen. Counting reducible and singular bivariate polynomials. Finite Fields and Their Applications, 14(4):944-978, 2008. [doi]
@article{Gathen08,
title = {Counting reducible and singular bivariate polynomials},
author = {Joachim von zur Gathen},
year = {2008},
doi = {10.1016/j.ffa.2008.05.005},
url = {http://dx.doi.org/10.1016/j.ffa.2008.05.005},
researchr = {https://researchr.org/publication/Gathen08},
cites = {0},
citedby = {0},
journal = {Finite Fields and Their Applications},
volume = {14},
number = {4},
pages = {944-978},
}