TY  - JOUR
A1  - Denecke, Klaus-Dieter
A1  - Leeratanavalee, Sorasak
T1  - Weak hypersubstitutions and weakly derived algebras
Y1  - 1999
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/21755
ER  -