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2008, Issue 2  


RESEARCH ARTICLE
Planar trees, free nonassociative algebras, invariants, and elliptic integrals
Vesselin Drensky, Ralf Holtkamp
1
Baer semisimple modules and Baer rings
Xiao Jiang Guo, K. P. Shum
42
On well $p$-embedded subgroups of finite groups
Nataliya V. Hutsko, Alexander N. Skiba
50
Characterization of Chebyshev Numbers
David Pokrass Jacobs, Mohamed O. Rayes, Vilmar Trevisan
65
Exact values of girth for some graphs $D(k,q)$ and upper bounds of the order of cage
Piotr Pikuta
83
The free spectra of varieties generated by idempotent semigroups
Gabriella Pluhár, Japheth Wood
89
Balleans of bounded geometry and G-spaces
Igor V. Protasov
101
On $\tau$-closed totally saturated group formations with Boolean sublattices
Vasily G. Safonov
109
Random walks on finite groups converging after finite number of steps
A. L. Vyshnevetskiy, E. M. Zhmud'
123

Emmanuil Moiseevich Zhmud' (1918–2007) (obituary)
S. Favorov, V. Novikov, A. Vyshnevetskiy, G. Zholtkevich
130
Algebra and Discrete Mathematics
 
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