Paper, 'Investigation of an an [sic] extensive class of partial differential equations of the second order, in which the equation of Laplace's functions is included' by G W [George Whitehead] Hearne Subject: Mathematics Published in Philosophical Transactions as 'Investigation of an extensive class of partial differential equations of the second order, in which the equation of Laplace's functions is included'. Communicated by Sir J [John Frederick William] Herschel. Received by the Royal Society on 19 February 1846. Read 2 April 1846. [1846]