TY  - DATA
AU  - L.N. Shevrin, A.J. Ovsyannikov
TI  - Semigroups and Their Subsemigroup Lattices
SN  - 9789401587518
PY  - 1996///
PB  - Springer Netherlands
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-94-015-8751-8
ER  -