Egon Börger Tommaso Bolognesi Remarks on Turbo ASMs for Functional Equations and Recursion Schemes. 218-228 2003 conf/asm/2003 Abstract State Machines http://link.springer.de/link/service/series/0558/bibs/2589/25890218.htm db/conf/asm/asm2003.html#BorgerB03