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<p>Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
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<br>Subjects: differential; equation; partial; undetermined; solution; sin; equations; function; article; algebraical; partial differential; differential equations; differential equation; simple differential; public domain; plane parallel; simplest partial; independent variables; undetermined functions; second order</div>
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George Biddell Airy</div>
Internet Archive identifier