1. Alternative proof of the nonsubstitution theorem for Leontief models in the general case;Arrow,1951
2. Nonnegative square matrices in the mathematical sciences;Berman,1979
3. The Samuelson nonsubstitution theorem and the computation of equilibrium prices;Diewert;Econometrica,1975
4. Some properties of a generalized Leontief model;Georgescu-Roegen,1951
5. Irregular economies, heterogeneous labour and relative prices;Jimenez-Raneda,1987