[1]
Samoilenko , A.M. and Samusenko , P.F. 2021. Asymptotic integration of singularly perturbed differential-algebraic equations with turning points. II. Ukrains’kyi Matematychnyi Zhurnal. 73, 6 (Jun. 2021), 849 - 864. DOI:https://doi.org/10.37863/umzh.v73i6.6260.