Popov, V.N. <br/><br/>
Functional integrals and collective excitations / 
V.N. Popov. 
 - Cambridge :  Cambridge University Press,  1990. 
 - viii, 216 p. :  ill. ;  23 cm. 
 - Cambridge monographs on mathematical physics. .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0521407877 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Integration, Functional.<br/>Collective excitations.