\input zb-basic \input zb-ioport \iteman{io-port 70591903} \itemau{Laouadi, Mohamed Amin; Mokhati, Farid; Seridi-Bouchelaghem, Hassina} \itemti{A novel formal specification approach for real time multi-agent system functional requirements} \itemso{MATES, 15-27 (2010).} \itemcc{} \itemut{} \itemli{doi:10.1007/978-3-642-16178-0\_4} \end