Results 121 to 130 of about 55,344 (171)
Limit Cycles of Systems of the Second Order. [PDF]
Proc Natl Acad Sci U S A, 1950 Duff GF.
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Existence of Periodic Solutions for Certain Differential Equations. [PDF]
Proc Natl Acad Sci U S A, 1943 Lefschetz S.
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THE APPLICATION OF A FIXED-POINT THEOREM TO A VARIETY OF NONLINEAR STABILITY PROBLEMS. [PDF]
Proc Natl Acad Sci U S A, 1959 Stokes A.
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The Steiner formula for Minkowski valuations.
Adv Math (N Y), 2012 Parapatits L, Schuster FE.
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On the Mapping of Abstract Spaces on Polytopes. [PDF]
Proc Natl Acad Sci U S A, 1939 Lefschetz S.
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SIMPLE CURVES ON COMPACT SURFACES. [PDF]
Proc Natl Acad Sci U S A, 1960 Reinhart BL.
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A NOTE ON THE CONTINUITY OF CHARACTERISTIC EXPONENTS. [PDF]
Proc Natl Acad Sci U S A, 1960 Lillo JC.
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ASYMPTOTIC BEHAVIOR AND PERIODIC SOLUTIONS OF A NONLINEAR DIFFERENTIAL-DIFFERENCE EQUATION. [PDF]
Proc Natl Acad Sci U S A, 1961 Jones GS.
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Equilibrium Points in N-Person Games. [PDF]
Proc Natl Acad Sci U S A, 1950 Nash JF.
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