The focal boundary value problem for strongly singular higher-order nonlinear functional-differential equations
Crossref DOI link: https://doi.org/10.1186/s13661-014-0277-1
Published Online: 2015-01-30
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Mukhigulashvili, Sulkhan
Půža, Bedřich
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