Centrally essential torsion-free rings of finite rank

Centrally Essential Rings and Semirings

“…The work is based on papers [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18]. The author is very grateful for the great help in editing the manuscript to Adel Abyzov, Oleg Lyubimtsev and Danil Tapkin.…”