Unsolvability of some algebraic problems in the class of associative rings L. A. Bokut' OriginalPaper Pages: 83 - 87
Steinberg orthogonal group over a ring with involution I. S. KleinA. V. Mikhalev OriginalPaper Pages: 88 - 103
The undecidability of the elementary theory of lattices of subgroups of finite Abelianp -groups G. T. Kozlov OriginalPaper Pages: 104 - 107
On the complexity of individual identity problems in semigroups Z. K. Litvintseva OriginalPaper Pages: 108 - 125