Proposition of a Language Useable for Structured Specifications. Algebraic specification language, built on top of ASL. "A First Introduction to PLUSS", M.C. Gaudel, TR, U Paris Sud, Orsay 1984.
PLUSS
Meaning of PLUSS in English
FOLDOC computer English dictionary. Английский словарь по компьютерам FOLDOC. 2012