Litvintseva Zoya Konstantinovna

Publications in Math-Net.Ru

1. The complexity of individual identity problems in semigroups
   
   Algebra Logika, 9:2 (1970),  172–199
2. The complexity of certain problems for groups and semigroups
   
   Dokl. Akad. Nauk SSSR, 191:5 (1970),  989–992