%0 Journal Article %A Dardé, Jérémi %A Royer, Julien %T Critical time for the observability of Kolmogorov-type equations %J Journal de l’École polytechnique — Mathématiques %D 2021 %P 859-894 %V 8 %I Ecole polytechnique %U http://archive.numdam.org/articles/10.5802/jep.160/ %R 10.5802/jep.160 %G en %F JEP_2021__8__859_0