| Citation: | Wang Jin-ru. A Mathematical Representation of Dirac δ Function[J]. Applied Mathematics and Mechanics, 1981, 2(3): 333-338. | 
 
	                | [1] | Dirac,P,A.M.,The Principles of Quantum Mechanics,Oxford Clareadou Press,3th ed,(1947). | 
| [2] | Robinson,A,Nonstandard }Inalysis,North-Holland Amsterdam,(1966) | 
| [3] | Kelemen,P,J.and Robinson,A.,The Nonstandard λ:φ24: Model I.The technique of nonstandard analysis in theoretical physics,J.Math,Phys,13,12,Dec,(1972). | 
| [4] | Lightstone,A.H,and Robinsoa,A Nonarchimedean Fields and Asymptotic Eapansions,North-Hollaad,(1975). | 
| [5] | Lightstoae A,H.and Kam Woag,Dirac Delta Functioas via Noastaadard Analysis,Caned.Math.Bull.81,5(1975)759-762.Zbl.329.26020. | 
| [6] | Yan Osdol and Donovan,H,Truth with respect to an ultrafilter or how to make intuitioa rigorous,Amer,Math,Monthly 79,(1972)355-363. | 
