@article{COCV_2021__27_1_A75_0,
     author = {Colli, Pierluigi and Signori, Andrea and Sprekels, J\"urgen},
     title = {Second-order analysis of an optimal control problem in a phase field tumor growth model with singular potentials and chemotaxis},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     year = {2021},
     publisher = {EDP-Sciences},
     volume = {27},
     doi = {10.1051/cocv/2021072},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/cocv/2021072/}
}