
Research Paper 

On polytopes with regular faces in the Lobachesvkij space. (Russian) Makarov V. S.  pp.36 
On the cardinality of formula bases and absence of finite approximation with respect to completeness in propositional provability logic. (Russian) Rusu Andrei  pp.614 
Description of classically complete chain systems of pseudoBoolean functions. (Russian) Malaj V. P., Ratsa M. F.  pp.1521 
Fibre partitions of the Lobachevskij space by limit regular polytopes. (Russian) Makarov P. V.  pp.2125 
Regular and strongly regular rings with respect to a right ideal. (Russian) Andrunakievich A. V., Andrunakievich V. A.  pp.2530 
On a property of groups of type $G^\#$. (Russian) Ursul M. I.  pp.3031 
Nilpotent linear extensions of minimal groups of transformations. (Russian) Glavan V. A.  pp.3137 
Topological classification of quadratic systems with a unique thirdorder singular point. (English) Vulpe Nicolae, Nikolaev I. V.  pp.3744 
On the extension of a pseudonorm of a ring to its field of quotients. (Russian) Arnautov Vladimir  pp.4551 
On a family of generalized Hermitian splines. (Russian) Verlan Igor  pp.5766 
Waiting for an ape to type a poem. (English) Zbaganu G.  pp.6674 
Lattices of submodules and Galois connections. (English) Caşu Alexei  pp.7481 
Centre and multiplication groups of quasigroups. (English) Beliavscaia Galina  pp.00 
Finite projection, reversibility and queueing systems. (English) Leahu A. K.  pp.8993 