# Convergence Proof of Finite Volume Method for Elliptic PDE differently

Is it possible to prove convergence, error estimation of an ELliptic PDE with Dirichlet Boundary condition $0$ with discontinuous Diffusion Matrix coefficient by a Finite Volume Method ?I mean without drawing analogy with some FEM ?If so someone kindly give me a reference.
$-\nabla \cdot(K(x)\nabla P(x))=f(x)$ on $\Omega \subset R^2$ Bounded Domain and Lip-Boundary.
$P(x)=0$ on $\partial \Omega$
$K(x)$ is $2\times2$ Symm , Positive Definite matrix \$
Thank you.

Arwin

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