On Solvability and Waveform Relaxation Methods of Linear Variable-Coefficient Differential-Algebraic Equations. Journal of Computational Mathematics, [S. l.], v. 32, n. 6, p. 696–720, 2021. DOI: 10.4208/jcm.1405-m4417. Disponível em: https://gsp.tricubic.dev/JCM/article/view/12180. Acesso em: 14 mar. 2026.