Schubert, Horst,  1919- <br/><br/>
Categories / 
Horst Schubert,  translated from the German by Eva Gray 
 - Berlin :  Springer-Verlag,  1972 
 - 385 p.  :  ill. ;  24cm 
<br/><br/><label>ISBN: </label>3540057838 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Categories (Mathematics)<br/>Functor theory