Collingwood, E.F. . <br/><br/>
The Theory of Cluster sets /  

 - 1st ed /  
 - London N.W.1 :   Cambridge University Press. 
 - p.211,xi :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics 
<br/><br/><label>Dewey Class. No.: </label>B316  / K6C