EntityQ3607962· pop 12· linked from 146 articleselliptic differential equationSign in to saveclass of second-order linear partial differential equationsConnectionsLaplace's equationEntitySpringer Science+Business MediaEntityPoisson's equationEntityWileyEntityparabolic partial differential equationEntityhyperbolic partial differential equationEntitymathematicsEntityInternational Standard Book NumberEntityDavid HilbertEntitydigital object identifierEntityellipseEntityderivativeEntitydeterminantEntitycomplex analysisEntitydifferential geometryEntityQ118398Entitypure mathematicsEntitymathematical modelEntityeigenvectors and eigenvaluesEntitypartial differential equationEntityCategoriesEllipsesPartial differential equations