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Došlý, Ondřej
Second phase matrix of differential systems $Y'+P(x)Y=0$. (English). Časopis pro pěstování matematiky, vol. 112 (1987), issue 4, pp. 381-389
MSC: 34C10 | MR 921328 | Zbl 0631.34043 | DOI: 10.21136/CPM.1987.108553
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