
 PlanetMath: Dirac delta function 
  is not a true function since it cannot be defined completely by giving the function value for all values of the argument 
  Crossreferences: width, limit, Gaussian, dimensions, continuous function, Kronecker delta, similar, argument, function 
  This is version 2 of Dirac delta function, born on 20020119, modified 20020704. 
 www.planetmath.org /encyclopedia/DiracDeltaFunction.html (82 words) 
