Mazur Barry <br/><br/>
Universal extensions and one dimensional crystalline cohomology 

 - Berlin  Springer-Verlag           1974 
 - vi, 134p.  cm. 
 - Lecture notes in mathematics; 370 .
<br/><br/><label>Standard No.: </label>22053 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B316, L41