Kleinman symmetry deviations for hydrogen.  [electronic resource] 

 -  Physical review. A, General physics  Mar 1988 
 - 2231-2233 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0556-2791 
<br/><br/><label>Standard No.: </label>10.1103/physreva.37.2231  doi