On the existence of solutions of one-dimensional fourth-order equations von Shokooh, S., Afrouzi , G. A., Hadjian, A., Shokooh, S., Afrouzi , G. A., Hadjian, A.

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Existence of three weak solutions for fourth-order elastic beam equations on the whole space von Tavani , M. R. H., Tavani , M. R. H.

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