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Montréal: Les publications CRM, Université de Montréal, 1989
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Harlow: Longman Scientific & Technical [u.a.], 1991
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Informa UK Limited, 1986
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Wiley, 2001
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Societatea de Ştiinţe Mathematice Din R. S. România, 1986
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Informa UK Limited, 1986
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Elsevier BV, 1984
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Springer Science and Business Media LLC, 1980
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Elsevier BV, 1972
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Elsevier BV, 1972
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Springer Science and Business Media LLC, 1971
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Springer Science and Business Media LLC, 1967
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Springer Science and Business Media LLC, 1963
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Mathematical Institute, Tohoku University, 1960
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Mathematical Institute, Tohoku University, 1960
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JSTOR, 1967
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Mathematical Association of America, 1967
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Wiley, 2020
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Elsevier BV, 1982
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JSTOR, 1966