Sorokin Konstantin Sergeevich «SP-groups with clean endomorphism rings» // Tomsk State University Journal of Mathematics and Mechanics 2014. №4(30) C.24-35
Sorokin Konstantin Sergeevich «Two-rank SP-groups with clean endomorphism rings» // Tomsk State University Journal of Mathematics and Mechanics 2014. №5(31) C.48-62
