Morse lemma for functionals of variational calculus N. A. BobylevYu. M. Burman OriginalPaper Pages: 165 - 174
Simple proof of Macdonald's identities for the series a Z. L. Leibenzon OriginalPaper Pages: 180 - 183
Deformation quantization and asymptotic operator representation B. V. Fedosov OriginalPaper Pages: 184 - 194
Differential geometry of nonlocal Hamiltonian operators of hydrodynamic type E. V. Ferapontov OriginalPaper Pages: 195 - 204
New proof of Sinai's formula for the entropy of hyperbolic billiard systems. Application to Lorentz gases and Bunimovich stadiums N. I. Chernov OriginalPaper Pages: 204 - 219
Diagonalization of systems, elliptic in the Douglis—Nirenberg sense, on manifolds with boundary A. N. Kozhevnikov OriginalPaper Pages: 221 - 223
Geometry of five-dimensional complexes of two-dimensional planes in projective space I. V. Bubyakin OriginalPaper Pages: 223 - 224
Rationality of singularities and the Gorenstein property for nilpotent orbits D. I. Panyushev OriginalPaper Pages: 225 - 226
Point spectrum of singular nonselfadjoint differential operators P. A. Kozhukhar’ OriginalPaper Pages: 227 - 228
Finite dimensionality of Extn's and Torn's of simple modules over one class of algebras V. V. Bavula OriginalPaper Pages: 229 - 230
Irreducible unitary representations of the group Diff(S2,ω) of functional dimension two M. I. Golenishcheva-Kutuzova OriginalPaper Pages: 232 - 234
Polynomial first integrals of Hamiltonian systems with exponential interaction S. L. Ziglin OriginalPaper Pages: 235 - 235
Spectral theory of one-dimensional Schrödinger operators with strongly fluctuating potentials A. Ya. GordonS. A. MolchanovB. Tsagani OriginalPaper Pages: 236 - 238
Sufficient conditions of non-almost-periodicity for the solutions of S. L. Sobolev's equations A. Fragela OriginalPaper Pages: 239 - 241
