TY  - BOOK
AU  - essays 1901-1950
AU  - 
AU  - 
AU  - 
SN  - 160/RUS/L
U1  - : 
KW  - BK
N1  - BK; Russell, Bertrand, 1872-1970|Controbutions in logic|The Logic of relations|Theory of types of logic and logical atomism|Logical positivism|Propositions and mathematical logic
ER  -