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Doctoral theses
Systems of standard linear differential equations with periodic coefficients (summary of the doctor's Thesis)
V. A. Yakubovich
Citation:
V. A. Yakubovich, “Systems of standard linear differential equations with periodic coefficients (summary of the doctor's Thesis)”, Russian Math. Surveys, 16:1 (1961)
Linking options:
https://www.mathnet.ru/eng/rm6586 https://www.mathnet.ru/eng/rm/v16/i1/p223
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