TY - BOOK AU - Hoghstadter D AU - Uebe G TI - Okonometrische methoden T2 - Lectures notes in operations reserach and mathematical systems ed by M Beckmann and H P Kunzi; 26 U1 - X:(B28), 113L0 PY - 1970/// CY - Berlin PB - Springer Verlag KW - ECONOMICS ER -