TY  - BOOK
AU  - Crum,William Leonard
AU  - Schumpeter,Joseph Alois
TI  - Rudimentary mathematics for economists and statisticians / 
U1  - 311.2 CRU 
PY  - 1946///
CY  - New York : 
PB  - McGraw-Hill book Company, Inc., 
KW  - Economics, Mathematical
N1  -  A revised and enlarged edition of the work by W.L. Crumm published a s a supplement as to the Quarterly journal of economics in May 1938
ER  -