
doi: 10.1007/bf01099393
See the review in Zbl 0637.35072.
Euler-Poisson-Darboux equations, Boundary value problems for linear higher-order PDEs, General existence and uniqueness theorems (PDE), fractional integro- differential operators, unique solvability, characteristic square
Euler-Poisson-Darboux equations, Boundary value problems for linear higher-order PDEs, General existence and uniqueness theorems (PDE), fractional integro- differential operators, unique solvability, characteristic square
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