References
- Barros-Neto , J. 1973 . “ An introduction to the Theory of Distributions ” . New York : Marcel Dekker,Inc. .
- Schwartz , L. 1966 . Theorie des distributions , Paris : Hermann .
- Gelfand , I.M. and Shilov , G.E. 1964 . “ Generalized Function ” . In I , New York and London : Academic Press .