515.2433 NAND, BRAHMA SPHERICAL HARMONICS AND PARTIAL DIFFERENTIAL EQUATIONS / / B . NAND , B . S . TYAGI & B . SHARMA. - 7TH ED. - MEERUT: : KEDAR NATH RAM NATH,, ND. 168 P.. : 15/- * HARMONIC ANALYSIS. EQUATIONS - DIFFERENTIAL. * TYAGI, B . S .SHARMA, BHUDEV * Title
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