Agrachev, Andrei A. <br/><br/>
Curvature:  a variational approach/ 
A. Agrachev, D. Barilari, L. Rizzi. 
 - v, 142 pages:  illustrations;  26 cm. 
 - Memoirs of the American Mathematical Society,  number 1225  0065-9266; .
 - Memoirs of the American Mathematical Society;  no. 1225. .
<br/><br/> "November 2018, volume 256, number 1225 (first of 6 numbers)." 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781470426460 1470426463 
<br/><br/><label>LCCN: </label>2018053414 
<br/><br/><label>Nat. Bib. No.: </label>GBB8J6665  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Curvature.<br/>Riemannian manifolds.<br/>Geometry, Differential.