Geodesic
Asymptotic analysis of certain systems of linear differential equations with a large parameter
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 49 (2009) no. 12, pp. 2144-2155 
E. V. Krutenko; V. B. Levenshtam. Asymptotic analysis of certain systems of linear differential equations with a large parameter. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 49 (2009) no. 12, pp. 2144-2155. http://geodesic.mathdoc.fr/item/ZVMMF_2009_49_12_a4/
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Voir la notice de l'article provenant de la source Math-Net.Ru

Two classes of systems of linear ordinary differential equations containing high-frequency terms proportional to certain positive powers of the oscillation frequency are considered. Complete asymptotic expansions of fundamental systems of solutions are constructed and substantiated.

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