Харвестер відкритої науки НАН України

13A15 12 05C25 4 13A18 4 13B02 4 ring extension 4 05C99 3 13C05 3 zero-divisor graph 3 13C13 2 13H15 2 16D60 2 \(S\)-cotorsion-free module 2 \(S\)-second submodule 2 cancellation ideal 2 essential graph 2 pullback diagram 2 quasilocal ring 2 reduced ring 2 saturation 2 second submodule 2 simple module 2 special principal ideal ring 2 star operation 2 13A15; 28A12 1 13A99 1 13C99; Secondary 13E15 1 13E99 1 13F05 1 13F10 1 2-absorbing primary ideal 1