00444nam a2200169Ia 4500 170901s1974 xx 000 0 und d 3540069577 330.18 L39 Lecture Notes in Economics and Mathematical Systems New York Springer Verlag 1974 187 Economics Social sciences Economics Mathematical models ddc BK 1 2121 2121 0 0 ddc 0 0 RAU RAU 2017-10-18 1 330.18 L39 13742 2024-08-01 2024-08-01 2017-10-18 BK 0 0 ddc 0 0 RAU RAU 2017-10-18 0 330.18 L39 13706 2017-10-18 2017-10-18 BK