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Found 21 Documents (Results 1–21)

On the existence of weakly normal bases of solutions of linear multi-dimensional totally integrable equations. (English. Russian original) Zbl 0955.37036

Differ. Equations 34, No. 12, 1713-1715 (1998); translation from Differ. Uravn. 34, No. 12, 1703-1705 (1998).
MSC:  37J35 34L10 34A30
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Vector additive schemes for second-order evolution equations. (English. Russian original) Zbl 0951.65081

Differ. Equations 34, No. 12, 1673-1681 (1998); translation from Differ. Uravn. 34, No. 12, 1666-1674 (1998).
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Construction of a linear Pfaff equation with arbitrarily prescribed characteristic and lower characteristic sets. (English. Russian original) Zbl 0960.35015

Differ. Equations 34, No. 12, 1600-1607 (1998); translation from Differ. Uravn. 34, No. 12, 1596-1603 (1998).
MSC:  35F05 35A30 35B05
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Center conditions and the cyclicity of certain cubic vector fields. (English. Russian original) Zbl 0956.34021

Differ. Equations 34, No. 12, 1591-1599 (1998); translation from Differ. Uravn. 34, No. 12, 1587-1595 (1998).
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