
Research Paper 

The problem of determination of multiregular tilings of space. (Russian) Zamorzaeva Elizaveta  pp.310 
Isogonal strata tessellations of the Lobachevsky space. (Russian) Makarov P. V.  pp.1114 
Totally symmetric $n$ary loops. (Russian) Ursu L. A.  pp.1525 
Conditions of completeness in a family of extensions of a dualityintuitionistic logic. (Russian) Gkhaliekh Ya. N.  pp.2634 
Analysis of the condition ${\germ A}(k)$ for fourdimensional systems of differential equations. II. (Russian) Bronshtejn I. U., Kopanskij A. Ya.  pp.3540 
Solvability of linear parabolic boundary value problems in anisotropic spaces ${\cal H}\sb p\sp s, (s\in R)$ of Bessel potentials. (Russian) Zhitarashu N. V., Rudi I. I.  pp.4148 
The uniform estimates for solutions of nonstrictly hyperbolic equation of second order with large parameter. (English) Perjan A. V.  pp.4953 
Conditions of presence of four integral straight lines for a cubic differential system in the case of a center or focus. (Russian) Kozima D. V., Shubeh A. S.  pp.5462 
Numerical investigation of the process of dynamic action on a layered obstacle. (Russian) Rîbachin Boris, Secrieru Grigore  pp.6370 
Impact of a viscoelastic rod upon a heated obstacle. (Russian) Naval I. K.  pp.7175 
Exact shifts of the constraints in methods of centres. (English) Zaporojan D.  pp.7682 
Impact of an elastic rod of a finite length upon a compliant obstacle. I. (Russian) Cheban V. G.  pp.8390 
Some results for a priority discipline DD with nonzero switching. (English) Mişcoi Gheorghe  pp.9194 
Multiplicative system of functions corresponding to the group $C\sb 2 \times \Gamma$. (English) Kolesnik Alexander  pp.9598 