Boardman, J. M. and Vogt, R. M. <br/><br/>
Homotopy invariant algebraic structures on topological spaces   

 - Berlin  Springer-Verlag  1973 
 - x, 257p. 
 - Lecture notes in Mathematics   347 .
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<br/><br/><label>Dewey Class. No.: </label>514  / B662.HI