How to increase sustainability in the Finnish wine supply chain? Insights from a country of origin based greenhouse gas emissions analysis von Ponstein, Helena J., Ghinoi, Stefano, Steiner, Bodo

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Greenhouse gas emissions and mitigation options for German wine production von Ponstein, Helena J., Meyer-Aurich, Andreas, Prochnow, Annette

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Exploring sustainability potentials in vineyards through LCA? Evidence from farming practices in South Africa von Russo, V., Strever, A. E., Ponstein, H. J.

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A matrix minimization problem involving ranks von Ponstein, J.

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Applying Some Modern Developments to Choosing Your Own Lagrange Multipliers von Ponstein, J.

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On the use of purely finitely additive multipliers in mathematical programming von Ponstein, J.

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Mirrored Pairs of Optimization Problems: A Comment von Ponstein, J.

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Dualizing optimization problems in mathematical economics von Ponstein, J.

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Self-Avoiding Paths and the Adjacency Matrix of a Graph von Ponstein, J.

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Multiplier Functions in Optimal Control von Ponstein, J

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Existence of Equilibrium Points in Non-Product Spaces von Ponstein, J.

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DE ALGORITHMISCHE METHODE von Ponstein, J.

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Seven Kinds of Convexity von Ponstein, J.

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An Extension of the Min-Max Theorem von Ponstein, J.

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Splitting certain eigenvalue/eigenvector problems von Ponstein, J.

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Matrix Description of Networks von Ponstein, J.

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Minmax and duality in nonlinear programming von Mangasarian, O.L, Ponstein, J

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Comments on the general duality survey by J. Tind and L.A. Wolsey von Ponstein, J.

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Foundations of optimization von Ponstein, J.

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On a general saddle-point condition in normed spaces von Ponstein, J., Klein Haneveld, W. K.

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