Theorie der Bessel'schen functionen. Ein analogon zur theorie der Kugelfunctionen

Leipzig: B.G. Teubner, 1867. FIRST EDITION. Half-morocco over marbled boards. An excellent copy from the library of Dutch astronomer Adriaan van Maanen, with his signature on the title page and his presentation bookplate to the Mount Wilson Observatory. First edition of one of Neumann's most important works. Neumann (1832-1925) was professor of mathematics at both the Universities of Tübingen and Leipzig. His main interests were in applied mathematics, and he wrote on mathematical physics, potential and electrodynamics. He was also editor of Mathematische Annalen.