@misc{indiciaec4b89a8b6c03, title = {PETSc TSAdjoint: A Discrete Adjoint ODE Solver for First-Order and Second-Order Sensitivity Analysis}, author = {Zhang, Hong and Constantinescu, Emil M. and Smith, Barry F.}, year = {2022}, doi = {10.1137/21m140078x}, url = {https://www.osti.gov/biblio/1885149}, note = {Source identifier: 1885149} }