Courant, Richard; Hilbert, David Methods of mathematical physics. Vol. I. (Translated and revised from the German original.) First English ed. (English. German original) Zbl 0053.02805 New York: Interscience Publishers. xv, 561 p. (1953). MSC: 00A05 00A06 33-00 35-00 45-00 49-00 PDF BibTeX XML OpenURL
Courant, Richard; Hilbert, David Methods of mathematical physics. Vol. I. (Translated and revised from the German original.) First English ed. (English) Zbl 0051.28802 New York: Interscience Publishers xv, 561 p. (1953). MSC: 00A05 00A06 01A75 45-00 35-00 PDF BibTeX XML OpenURL
Hilbert, David Grundzüge einer allgemeinen Theorie der linearen Integralgleichungen. (German) Zbl 0050.10201 Reprint. New York: Chelsea Co. XXVI, 282 p. (1953); Phototech. Nachdruck des Orig. Teubner (Leipzig) (1912). PDF BibTeX XML OpenURL