Литература

Aho A.V., Ganapathi M., Tjiang S.W.K. Code Generation Using Tree Matching and Dynamic Programming. ACM Transactions on Programming Languages and Systems, Vol. 11, №4, Oct. 1989, pages 491-516
Comon U., Dauchet M. et al. Tree Automata Techniques and Applications. http://l3ux02.univ-lille3.fr/~tommasi/TATAHTML/main.html
Christopher W.Fraser, David R.Hanson. A Retargetable C compiler: Design and Implementation. Benjamin/Cummings Publishing, 1995, pages 564