Degenerate elliptic-parabolic equations of second order

Partial Differential Equations of Parabolic Type

1964 • 3,703 citations

Partial differential equations of parabolic type

1965 • 3,378 citations

An algebra of pseudo‐differential operators

1965 • 634 citations

A rapidly convergent iteration method and non-linear partial differential equations - I

1966 • 530 citations

Non‐coercive boundary value problems

1965 • 431 citations

Remarks on strongly elliptic partial differential equations

1955 • 392 citations

On the analyticity of the solutions of linear elliptic systems of partial differential equations

1957 • 239 citations

Solvability of a first order linear partial differential equation

1963 • 152 citations

On stability for difference schemes; a sharp form of gårding's inequality

1966 • 148 citations

On the differentiability of the solutions of linear elliptic differential equations

1953 • 108 citations

The coerciveness problem for forms over vector valued functions

1963 • 50 citations

Sull'equazione del calore

1908 • 26 citations

Orthogonal Polynomials

2007 • 15 citations