References
- Bates , R. M. 2005 . Distinguishing redundant parentheses by syntax . Int. J. Comput. Math. , 82 ( 8 ) : 951 – 967 .
- Enderton , H. B. 2001 . A Mathematical Introduction to Logic , 2 , New York : Academic Press .
- Krtolica , P. V. and Stanimirović , P. S. 1999 . On some properties of the reverse Polish notation . Filomat , 13 : 157 – 172 .
- Krtolica , P. V. and Stanimirović , P. S. 2000 . Filomat Deducing about the necessity of the parenthesis . 14 : 87 – 93 .
- Lukasiewicz , J. 1958 . Elementy logiki matematycznej [Elements of Mathematical Logic] , 2 , Warsaw : Panstwowe Wydawnictwo Naukowe . (in polish)
- Parsons , T. W. 1992 . “ An Introduction to Compiler Construction ” . New York : Computer Science Press Inc .
- Tremblay , J. P. and Sorenson , P. G. 1985 . The Theory and Practice of Compiler Writing , New York : McGraw-Hill Book Company .