TY  - BOOK
AU  - Steinfeld,Otto
TI  - Quasi-ideals in rings and semi-groups
SN  - 9630516969
PY  - 1978///
CY  - Budapest
PB  - Akademia Kiado
KW  - Associative rings
KW  - Semigroups
KW  - Ideals (Algebra)
N1  - Bibliography: p.143-147; Includes index
ER  -