Cite

1. Aho, Alfred V., Sethi Ravi, Ullman Jeffrey D., Compilers: Principles, Techniques, and Tools, Addison Wesley, (2001).Search in Google Scholar

2. Wang, Andy Ju An., Qian, Kai., Component-Oriented Programming, John Wiley & Sons, (2005).10.1002/0471713708Search in Google Scholar

3. Salomaa, A., Formal Languages, New York, Academic Press, (1973).Search in Google Scholar

4. Păun Gh., Probleme actuale in teoria limbajelor formale, Editura Academiei, (1983).Search in Google Scholar