Ahlfors, Lars,V and Kra, Irwin and Maskit, Bernard and Nirenserg, Louis. <br/><br/>
Contributions to analysis 

 - 1974. 
 - New York:  Academic Press ,  1974. 
 - XIII;441p. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Statistics,Hyperbolic Spaces, On the Poincare Relation.