Funktsional. Anal. i Prilozhen., 1991, Volume 25, Issue 3

JOURNALS // Funktsional'nyi Analiz i ego Prilozheniya // Archive

1991, Volume 25, Issue 3

	Morse lemma for functionals of variational calculus N. A. Bobylev, Yu. M. Burman	1
	Monodromy of the image of the mapping $\mathbb{C}^2\to\mathbb{C}^3$ V. V. Goryunov	12
	Simple proof of Macdonald's identities for the series A Z. I. Leibenzon	19
	Deformation quantization and asymptotic operator representation B. V. Fedosov	24
	Differential geometry of nonlocal Hamiltonian operators of hydrodynamic type E. V. Ferapontov	37
	New proof of Sinai's formula for the entropy of hyperbolic billiard systems. Application to Lorentz gases and Bunimovich stadiums N. I. Chernov	50

Brief communications
	Wandering solutions of Euler's $D-2$ equation N. S. Nadirashvili	70
	Diagonalization of systems, elliptic in the Douglis–Nirenberg sense, on manifolds with boundary A. N. Kozhevnikov	71
	Geometry of five-dimensional complexes of two-dimensional planes in projective space I. V. Bubyakin	73
	Rationality of singularities and the Gorenstein property for nilpotent orbits D. I. Panyushev	76
	Point spectrum of singular nonselfadjoint differential operators P. A. Kozhukhar'	78
	Finite dimensionality of $\operatorname{Ext}^n$'s and $\operatorname{Tor}_n$'s of simple modules over one class of algebras V. V. Bavula	80
	Solution of infinite Toda chains M. M. Gekhtman	82
	Irreducible unitary representations of the group $\operatorname{Diff}(S^2,\omega)$ of functional dimension two M. I. Golenishcheva-Kutuzova	85
	Polynomial first integrals of Hamiltonian systems with exponential interaction S. L. Ziglin	88
	Spectral theory of one-dimensional Schrödinger operators with strongly fluctuating potentials A. Ya. Gordon, S. A. Molchanov, B. Tsagani	89
	Sufficient conditions of non-almost-periodicity for the solutions of S. L. Sobolev's equations A. Fraguela Collar	92