Molly Dunkum, Peter Hamburger, Attila Pór. Destroying cycles in digraphs. Combinatorica, 31(1):55-66, 2011. [doi]
@article{DunkumHP11,
title = {Destroying cycles in digraphs},
author = {Molly Dunkum and Peter Hamburger and Attila Pór},
year = {2011},
doi = {10.1007/s00493-011-2589-4},
url = {http://dx.doi.org/10.1007/s00493-011-2589-4},
researchr = {https://researchr.org/publication/DunkumHP11},
cites = {0},
citedby = {0},
journal = {Combinatorica},
volume = {31},
number = {1},
pages = {55-66},
}