Carl, Wolfgang.
Frege's theory of sense and reference: its origins and scope /
Wolfgang Carl 
. - Cambridge : New York : Cambridge University Press,  1994 
. - viii, 220 p.  21 cm. 
 - (Modern European philosophy )
<br/>К.: Бібліогр. : c. 212-215, Index 
<br/><label>  ISBN: </label>0-521-39816-9 
<br/><br/><label>Subjects--Personal Names: </label><br/>Frege, Gottlob 1848-1925