共 50 条
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PERIODIC SOLUTIONS OF SOME NON-LINEAR DIFFERENTIAL EQUATIONS
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DETERMINATION OF PERIODIC SOLUTIONS FOR CERTAIN NON-LINEAR DIFFERENTIAL EQUATIONS
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ON PERIODIC SOLUTIONS OF NON-LINEAR DIFFERENTIAL-DIFFERENCE EQUATIONS
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The periodic solutions of non-linear differential equations of the parabolic type
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The periodic solutions to non-linear differential equations of the parabolic type
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INTEGRAL EQUATIONS AND PERIODIC SOLUTIONS OF NON-LINEAR DIFFERENTIAL SYSTEMS
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