%0 Journal Article %A Koenig, Armand %T Non-null-controllability of the Grushin operator in 2D %J Comptes Rendus. Mathématique %D 2017 %P 1215-1235 %V 355 %N 12 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2017.10.021/ %R 10.1016/j.crma.2017.10.021 %G en %F CRMATH_2017__355_12_1215_0