Asymptotic solutions of a singularly perturbed linear system of differential equations with irregular singular point
2003 ◽
Vol 35
(7)
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pp. 15-21
1994 ◽
Vol 109
(1)
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pp. 201-221
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1950 ◽
Vol 29
(1-4)
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pp. 300-302
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1924 ◽
Vol 22
(3)
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pp. 325-349
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