Ovchinnikov, S. G. <br/><br/>
Hubbard operators in the theory of strongly correlated electrons / 
S.G. Ovchinnikov, V.V.Val'kov 
 - London :  Imperial College,  2004 
 - xii, 241 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1860944302  RM219.24 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hubbard model<br/>Electron configuration--Mathematical models