Nand, B., & Sharma, B. D. (1972). Spherical harmonics and partial differential equations (5th ed.). Kedar Nath Ram Nath publishers.
Style de citation ChicagoNand, Brahma, et Bhu Dev Sharma. Spherical Harmonics and Partial Differential Equations. 5th ed. Meerut: Kedar Nath Ram Nath publishers, 1972.
Style de citation MLANand, Brahma, et Bhu Dev Sharma. Spherical Harmonics and Partial Differential Equations. 5th ed. Kedar Nath Ram Nath publishers, 1972.
Attention : ces citations peuvent ne pas être correctes à 100%.