1
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QA372 .K7
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Linear differential equations in Banach space
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Rhode Island, [ United States ] : American Mathematical Society , 1972
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Krein, S. G
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9824
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2
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QA188 .J6
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Linear equations and matrices/John B. Johnston, G. Baley Price, Fred S. Van Vleck
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Massachusetts, [ United States ] : Addison-Wesley Publishing Company, Inc. , 1966
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Johnston, John B.
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114437
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