@article{ITA_1999__33_4-5_383_0,
     author = {Gurov, Dilian and Kapron, Bruce},
     title = {A note on negative tagging for least fixed-point formulae},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {383--392},
     year = {1999},
     publisher = {EDP Sciences},
     volume = {33},
     number = {4-5},
     mrnumber = {1748662},
     zbl = {0940.03034},
     language = {en},
     url = {https://www.numdam.org/item/ITA_1999__33_4-5_383_0/}
}