@incollection{BeckertKlebanovSchlager07, author = {Bernhard Beckert and Vladimir Klebanov and Steffen Schlager}, title = {Dynamic Logic}, chapter = {3}, part = {I: Foundations}, pages = {69--175}, editor = {Bernhard Beckert and Reiner H\"ahnle and Peter H. Schmitt}, booktitle = {Verification of Object-Oriented Software: The {KeY} Approach}, year = {2007}, series = {LNCS 4334}, publisher = {Springer-Verlag} }