@article{JEP_2021__8__859_0,
     author = {Dard\'e, J\'er\'emi and Royer, Julien},
     title = {Critical time for the observability of {Kolmogorov-type} equations},
     journal = {Journal de l{\textquoteright}\'Ecole polytechnique {\textemdash} Math\'ematiques},
     pages = {859--894},
     publisher = {Ecole polytechnique},
     volume = {8},
     year = {2021},
     doi = {10.5802/jep.160},
     language = {en},
     url = {http://archive.numdam.org/articles/10.5802/jep.160/}
}