TY - JOUR AU - Piermarco Cannarsa,Patrick Martinez AU - Judith Vancostenoble TI - Sharp Estimate of the Cost of Controllability for a Degenerate Parabolic Equation with Interior Degeneracy JO - Minimax theory and its applications PY - 2021 VL - 6 IS - 2 UR - http://geodesic.mathdoc.fr/item/MTA_2021_6_2_a5/ ID - MTA_2021_6_2_a5 ER -