Free algebras in varieties of BL-algebras generated by a chain. Manuela Busaniche Original Paper Pages: 259 - 277
s-extensions of special-valued lattice-ordered groups Paul F. ConradMichael R. Darnel Original Paper Pages: 279 - 303
A class of archimedean lattice ordered algebras Karim BoulabiarFatma Hadded Original Paper Pages: 305 - 323
Semigroup varieties with a small number of term operations Igor Dolinka Original Paper Pages: 325 - 340
Join congruence relations and closure relations Kenneth P. BogartLaura H. Montague Mailbox Pages: 381 - 384