ZURIGAT M. Application of the multi-step homotopy analysis method to solve nonlinear differential algebraic equations. Stud. Univ. Babeş-Bolyai Math. [Internet]. 2015 Mar. 30 [cited 2025 Aug. 29];60(1):3-12. Available from: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/5648