De Llano, M Salazar, A. Solis, M.A. <br/><br/>
Two-dimensional delta potential wells and condensed-matter physics. 

 -  2005. 
 - Vol. 51, No. 6, pp. 626-632. 
 = Revista Mexicana de Fisica 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Delta potential wells<br/>Bound states<br/>Regularization<br/>Condensed-matter physics