@unpublished{alcantara:hal-03919766,
TITLE = {Foliations on $\mathbb{CP}^3$ of degree $2$ that have a line as singular set},
AUTHOR = {Alc{\'a}ntara, Claudia R. and Cerveau, Dominique},
URL = {https://hal.science/hal-03919766},
NOTE = {14 pages. Comments are welcome},
YEAR = {2023},
MONTH = Jan, HAL_ID = {hal-03919766},
HAL_VERSION = {v1},
}