| Citation: | Zhang Shenxue. Separating Coupled Physic Quantity by Potential Operator[J]. Applied Mathematics and Mechanics, 1997, 18(11): 1014-1020. | 
	                | [1] | 
					 J.T,Oden,Finite Elements of Nondinear Continua,McGraw-Hill,New York(1972),94-106 
					
					 | 
			
| [2] | 
					 O,D.Kellogg,Foundation of Potential Theory,Springer,B erlin(1929),85. 
					
					 | 
			
| [3] | 
					 南京工学院数学教研组,《工程数学,积分变换》,人民教育出版社(1981),34. 
					
					 | 
			
| [4] | 
					 Y.C,Fung,Foundation of Solid Mechanics,Prentice-Hall,Ine,Englewood Cliffs New Jersey(1965),341-411. 
					
					 | 
			
| [5] | 
					 R.E,Nickell and J.L,Sackman,Variational principle for linear coupled thermoelasticity,Quarterly of Applied Mathematics,26(1968),11-26. 
					
					 | 
			
| [6] | 
					 S.I.Cuou and C,C.Wang,Estimates of error in finite element approximate solutions to proble ms linear theromelasticity,Archive for Rational Mechanics and Analysis,77(1981),263-299. 
					
					 | 
			
| [7] | 
					 M,E,Gur tin,Variational principles for linear elastodyna mics,Archive for Rational Mechanics and Analysis,16(1)(1964),34, 
					
					 |