An elementary treatise on Fourier's series and spherical, cylindrical, and ellipsoidal harmonics, with applications to problems in mathematical physics . 186 ZONAL HARMONICS. [Art. 9/ -] ^ ^^ ^ ~--,~ \ ^\ ,— \-. » / > <: 0 / ?^^ V .^. It __,. v_ V.

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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherbostonginncompany