# Revision history of "Principal part of a differential operator"

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**How to Cite This Entry:**

Principal part of a differential operator.

*Encyclopedia of Mathematics.*URL: http://encyclopediaofmath.org/index.php?title=Principal_part_of_a_differential_operator&oldid=32767

This article was adapted from an original article by A.A. Dezin (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article