## Found 8 Documents (Results 1–8)

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### Theorems with very short proofs can be strengthened. (English. Russian original)Zbl 0665.03040

Sel. Math. Sov. 7, No. 1, 37-38 (1988); translation from Semiotika Inf. 12, 37-38 (1979).
Reviewer: N.Both
MSC:  03F20 03F30

### On the cohomology of the Lie algebra of vector fields and of the current algebra. (English)Zbl 0657.17009

MSC:  17B56 17B66

### Spatially self-localized and periodic solutions of wave equations. (English. Russian original)Zbl 0652.35080

Sel. Math. Sov. 7, No. 1, 1-14 (1988); translation from Methods of the qualitative theory of differential equations, Interuniv. Collect., Gor’kij 1982, 73-92 (1982).

MSC:  31C15

### Structure of the Poisson action of $${\mathbb{R}}^ 2$$ on a four-dimensional symplectic manifold. II. (English)Zbl 0649.58017

MSC:  53D50 37J99

### Classification of trivectors of a 9-dimensional space. (English)Zbl 0648.15021

MSC:  15A72 17B99

### Concerning an error in a well-known paper by M. Wajsberg. (English)Zbl 0647.03050

MSC:  03F50 03-03 01A60

### The realization of three-valued logical functions by recursive and Turing operators. (English)Zbl 0647.03013

MSC:  03B50 03D10 03D20

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