?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Proposals+for+Mathematical+Extensions+for+Event-B&rft.creator=Abrial%2C+Jean-Raymond&rft.creator=Butler%2C+Michael&rft.creator=Hallerstede%2C+Stefan&rft.creator=Leuschel%2C+Michael&rft.creator=Schmalz%2C+Matthias&rft.creator=Voisin%2C+Laurent&rft.subject=Event-B+Theory&rft.publisher=+++&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fdeploy-eprints.ecs.soton.ac.uk%2F216%2F1%2Fmathextn090109.pdf&rft.identifier=++Abrial%2C+Jean-Raymond+and+Butler%2C+Michael+and+Hallerstede%2C+Stefan+and+Leuschel%2C+Michael+and+Schmalz%2C+Matthias+and+Voisin%2C+Laurent+++Proposals+for+Mathematical+Extensions+for+Event-B.++Technical+Report.++.++++(Unpublished)++&rft.relation=http%3A%2F%2Fdeploy-eprints.ecs.soton.ac.uk%2F216%2F