TY - BOOK ID - 139940395 TI - Rule - Labeled programs : a study of a generalization of context-free grammars and some classes of formal languages. PY - 1972 PB - Utrecht [s.n.] DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:139940395 AB - ER -