Arkowitz M <br/><br/>
Groups of homotopy classes: rank formulas and homotopy commutativity 
Arkowitz M; Curjel C R 
 - Berlin  Springer Verlag          1967 
 - 35p.  cm. 
 - Lecture notes in the mathematics: A collection of informal reports and seminars .
<br/><br/><label>Standard No.: </label>64714 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B27, K73