Algebra and Logic
Algebra and Logic > 2017 > 56 > 5 > 355-361
Algebra and Logic > 2017 > 56 > 5 > 395-408
Algebra and Logic > 2017 > 56 > 5 > 386-394
Algebra and Logic > 2017 > 56 > 5 > 362-369
Algebra and Logic > 2017 > 56 > 5 > 409-424
Algebra and Logic > 2017 > 56 > 5 > 370-385