Dunford N. <br/><br/>
Linear operators. Part  1. General theory. 
Dunford N., Schwartz J.T. 
 - New York-London  Interscience Publishers  1958 
 - 872 p. 
<br/><br/> Pure and Applied Mathematics 
<br/><br/><label>Dewey Class. No.: </label>517.98