The monoid structure of e-implications and pseudo-e-implications. - Gh. Khaledi; Mashaallah Mashinchi; S. A. Ziaie (Inf. Sci., 2005)

Lattice structure of e-implications on L*. - Gh. Khaledi; S. A. Ziaie; Mashaallah Mashinchi (Inf. Sci., 2007)