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Dyfyniad Arddull ChicagoSimader, C.G. On Dirichlet's Boundary Value Problems. Berlin: Springer, 1972.
Dyfyniad MLASimader, C.G. On Dirichlet's Boundary Value Problems. Springer, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.