Stop the war!
Остановите войну!
for scientists:
default search action
"Undecidable Varieties of Semilattice - ordered Semigroups, of Boolean ..."
Ágnes Kurucz et al. (1993)
- Ágnes Kurucz, István Németi, Ildikó Sain, András Simon:
Undecidable Varieties of Semilattice - ordered Semigroups, of Boolean Algebras with Operators, and logics extending Lambek Calculus. Log. J. IGPL 1(1): 91-98 (1993)
manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.