, Volume 48, Issue 1, pp 1-10

Extremal solutions of fourth-order boundary value problems

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For the simplest fourth-order differential equation, we study properties of extremal solutions of two-point boundary value problems.

Original Russian Text © N.I. Vasil’ev, A.Ya. Lepin, L.A. Lepin, 2012, published in Differentsial’nye Uravneniya, 2012, Vol. 48, No. 1, pp. 3–12.