@article{DDHL-IJFCS,
 author = {Ajoy K. Datta, St{\'e}phane Devimes, Florian Horn, and Lawrence L. Larmore},
 title = {{Self-stabilizing k-out-of-l Exclusion in Tree Networks}},
 journal = {International Journal of Foudations of Computer Science},
 volume = 22,
 number = 3,
 pages = {657--677},
 publisher = {World Scientific Publishing Company},
 year =	2011,
}