Migdal, A.B. <br/><br/>
Qualitative methods in quantum theory / 
by A.B. Migdal; translated from the russian edition by Anthony J. Leggett. 
 - 1st ed. 
 - Boca Raton:  CRC Press,  2018. 
 - xxi, 437p. 
<br/><br/><label>ISBN: </label>9780738203027 
<br/><br/><label>Dewey Class. No.: </label>CN1  / Q8