scientific article; zbMATH DE number 4114900
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Publication:4729981
zbMath0681.20045MaRDI QIDQ4729981
Publication date: 1988
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Subalgebras, congruence relations (08A30) Relational systems, laws of composition (08A02) Direct sums, direct products, etc. for abelian groups (20K25) Other generalizations of groups (20N99)
