Open Science Harvester of NAS of Ukraine

06B23 2 15A30 2 15B33 2 16D90 2 16S90 2 2-monomial matrix 2 20D10 2 20D15 2 20D20 2 Jacobson radical 2 \(\cal F\) -critical group,\(\cal F\) -maximal subgroup 2 \(\cal F\)-hypercentre 2 boundary condition 2 closed submodule 2 closure operator 2 commutative ring 2 dense submodule 2 free module 2 hereditary ( cohereditary) closure operator 2 hereditary formation 2 hereditary reducible matrix 2 linear operator 2 module 2 nilpotent group 2 preradical 2 ring 2 saturated formation 2 similarity 2 soluble group 2 supersolublegroup 2