TY - JOUR AU - Colli, Pierluigi AU - Signori, Andrea AU - Sprekels, Jürgen TI - Second-order analysis of an optimal control problem in a phase field tumor growth model with singular potentials and chemotaxis JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2021 VL - 27 PB - EDP-Sciences UR - https://www.numdam.org/articles/10.1051/cocv/2021072/ DO - 10.1051/cocv/2021072 LA - en ID - COCV_2021__27_1_A75_0 ER -