Catherine S. Greenhill, Brendan D. McKay. Asymptotic enumeration of sparse nonnegative integer matrices with specified row and column sums. Adv. Appl. Math., 41(4):459-481, 2008. [doi]
@article{GreenhillM08,
title = {Asymptotic enumeration of sparse nonnegative integer matrices with specified row and column sums},
author = {Catherine S. Greenhill and Brendan D. McKay},
year = {2008},
doi = {10.1016/j.aam.2008.01.002},
url = {https://doi.org/10.1016/j.aam.2008.01.002},
researchr = {https://researchr.org/publication/GreenhillM08},
cites = {0},
citedby = {0},
journal = {Adv. Appl. Math.},
volume = {41},
number = {4},
pages = {459-481},
}