Criterion for the positiveness of the Green function of a many-point boundary value problem for a fourth-order equation
Crossref DOI link: https://doi.org/10.1134/S0012266115020020
Published Online: 2015-03-22
Published Print: 2015-02
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Kulaev, R. Ch.
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