Timoshenko Egor A. «The Grothendieck group K0 of an arbitrary csp-ring» // Tomsk State University Journal of Mathematics and Mechanics 2018. №55 C.38-44
Timoshenko Egor A. «Tensor product of modules over csp-rings» // Tomsk State University Journal of Mathematics and Mechanics 2020. №66 C.56-63
Timoshenko Egor Aleksandrovich «On radicals in the category of modules over a csp-ring» // 2011. №3(15) C.59-65