@inproceedings{STOC-1980-MeyerP,
	author        = "Albert R. Meyer and Rohit Parikh",
	booktitle     = "{Proceedings of the 12th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800141.804646",
	pages         = "1--7",
	publisher     = "{ACM}",
	title         = "{Definability in Dynamic Logic}",
	year          = 1980,
}