TY  - BOOK
AU  - Los Jerzy
AU  -  Los Maria W Ed.
TI  - Mathematical models in economics:  Proceedings of t   
U1  - X:Bpl, N72, L4 
PY  - 1974///
CY  - Amsterdam
PB  - North Holland         
KW  - Mathematical Economics
N1  - Bibliography at the end of each chapter
ER  -