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Amsterdam [u.a.]: North-Holland, 1990
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Budapest: Akadémiai Kiadó, 1975
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Budapest: Akadémiai Kiadó, 1981
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Elsevier BV, 1980
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Institute for Operations Research and the Management Sciences (INFORMS), 1971
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The Econometric Society, 1972
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Society for Industrial & Applied Mathematics (SIAM), 1969
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Society for Industrial and Applied Mathematics, 1969
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Institute for Operations Research and the Management Sciences (INFORMS), 1967
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JSTOR, 1973
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The Econometric Society, 1973
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JSTOR, 1977
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Wiley, 1964
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SAGE Publications, 2011
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Elsevier BV, 2010
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JSTOR, 1972
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Springer Science and Business Media LLC, 1971
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BMJ, 2020