Erbay, Mehmet, Birgit Jacob, Kirsten Morris, Timo Reis, and Caren Tischendorf. “Index Concepts for Linear Differential-Algebraic Equations in Infinite Dimensions”. DAE Panel 2 (October 24, 2024). Accessed April 3, 2025. https://www.tib-op.org/ojs/index.php/dae-p/article/view/2514.