@article{arnold_calvetti_gjedde_iversen_somersalo_2015, title={Astrocytic tracer dynamics estimated from [1-C-11]-acetate PET measurements}, volume={32}, number={4}, journal={Mathematical Medicine and Biology-A Journal of the IMA}, author={Arnold, A. and Calvetti, D. and Gjedde, A. and Iversen, P. and Somersalo, E.}, year={2015}, pages={367–382} } @article{arnold_calvetti_somersalo_2014, title={Parameter estimation for stiff deterministic dynamical systems via ensemble Kalman filter}, volume={30}, number={10}, journal={Inverse Problems}, author={Arnold, A. and Calvetti, D. and Somersalo, E.}, year={2014} }