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docs/pdf/intro.tex

@@ -138,7 +138,7 @@ are classified as:
 
 The main underlying principle of the PSBLAS library is that the
 library objects are created and exist with reference to a discretized
-space to which there corresponds and index space and a matrix sparsity
+space to which there corresponds an index space and a matrix sparsity
 pattern. As an example, consider a cell-centered finite-volume
 discretization of  the Navier-Stokes equations on a simulation domain;
 the index space $1\dots n$ is isomorphic to the set of cell centers,