Algebra--18. Transl. from the Russian
The articles of this volume are translations from the series ``Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 80 (Russian) (2000)'' and will be reviewed individually. For Algebra--17 see Zbl 0990.00021.
scientific article; zbMATH DE number 1775724