[1]
Samoilenko , A.M. and Samusenko , P.F. 2020. Asymptotic integration of singularly perturbed differential algebraic equations with turning points. Part I.
Ukrains’kyi Matematychnyi Zhurnal. 72, 12 (Dec. 2020), 1669–1681. DOI:
https://doi.org/10.37863/umzh.v72i12.6261.