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Author: Kapp, Kenneth M.

• Kapp, Kenneth M.: On $n^\circ $-regular semigroups. (English). Czechoslovak Mathematical Journal, vol. 24 (1974), issue 2, pp. 171-175
• Kapp, Kenneth M.: Green's relations and quasi-ideals. (English). Czechoslovak Mathematical Journal, vol. 19 (1969), issue 1, pp. 80-85