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 Let a spherical portion of an infinite quiescent liquid be separated from the liquid round it by an infinitely thin flexible membrane, and let this membrane be suddenly set in motion, every part of it in the direction of the radius and with velocity equal...  An Elementary Treatise on Spherical Harmonics and Subjects Connected with Them - Side 155 av Norman Macleod Ferrers - 1877 - 160 sider Uten tilgangsbegrensning -
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