@unpublished{ivorra:hal-01987514,
TITLE = {The four operations on perverse motives},
AUTHOR = {Ivorra, Florian and Morel, Sophie},
URL = {https://hal.science/hal-01987514},
NOTE = {62 pages},
YEAR = {2019},
MONTH = Jan, HAL_ID = {hal-01987514},
HAL_VERSION = {v1},
}