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Contents 
Pages 
MATHEMATICS 
1 
Twodimensional homogeneous cubic systems:
classification and normal forms  III
Basov V.V., Chermnykh A.S. 
179192 
2 
To the question of stability of periodic points
of threedimensional
diffeomorphisms
Vasilieva E.V. 
193200 
3 
Hilbert pairing on Lorentz formal group
Vostokov S.V., Pital’ P.N. 
201207 
4 
T  optimal designs for discrimination
between rational and
polynomial models
Guchenko R.A., Melas V.B. 
208219 
5 
Towards the analysis of
the simulated annealing method in the multiextremal case
Ermakov S.M., Kulikov D.V., Leora S.N. 
220226 
6 
Conditions for the global
stability of a single system
with hysteresis nonlinearity
Zviagitceva T.E., Pliss V.A. 
227235 
7 
NPcomplete problems
for systems of divisibilities of values of linear polynomials
Kosovskii N.K., Kosovskaya T.M., Kosovskii N.N., Starchak M.R. 
236246 
8 
Pseudopoissonian processes with stochastic intensity and a class of
processes which generalize the OrnsteinUhlenbeck process
Rusakov O.V. 
247257 
MECHANICS 
9 
Aging and fracture of compressible elasticviscous media
Arutyunyan A.R., Arutyunyan R.A. 
258265 
10 
Stability loss of
an infinite plate with a circular inclusion under uniaxial tension
Bauer S.M., Kashtanova S.V., Morozov N. F., Semenov B.N. 
266272 
11 
Equilibrium composition and physical and
chemical characteristics of hightemperature air mixtures with diverse densities
Bogdanova N.V., Rydalevskaya M.A. 
273280 
12 
Correlation between properties of eigenfrequencies and
eigenmodes in a chain of rigid bodies with inertialess moment connections
Indeitsev D.A., Sergeev A.D. 
281290 
13 
Nonexistence of liouvillian solutions in the problem of
motion of a rotationally symmetric ellipsoid on a perfectly rough plane
Kuleshov A. S., Itskovich M.O. 
291299 
14 
Workspaces of a Steward’s platform in
the 6D space of generalised coordinates
Leonov G.A., Tovstik P. E., Tovstik T.M. 
300309 
15 
Spatially homogeneous relaxation of CO molecules with
resonant VE transitions
Mishina A. I., Kustova E.V. 
310322 
16 
Longwave vibrations and waves in
anisotropic beam
Tovstik P. E., Tovstik T. P., Naumova N.V. 
323335 
ASTRONOMY 
17 
Surfaces of minimal energy and their
singular points in the problem of
stellar approaches toward the solar system
Mammadli A.H. 
336344 
CHRONICLE 
18 
Sergey Vasiljevich Vallander.
By the 100^{th} anniversary of his birth

345354 