Machine-derived non-Latin script reference project.

Non-Latin script references not evaluated.

Biblioteca del Congreso (Estados Unidos), 10 enero 2017 : catálogo electrónico https://goo.gl/71w4x9

His Applied differential equations, 1958.

His Schaum's Outline of theory and problems of advanced mathematics for engineers and scientists, c1980: CIP galley t.p. (Murray R. Spiegel, PhD., prof. of math., Rensselaer Polytechnic Institute) CIP data sheet (Spiegel, Murray Ralph)

U.S. copyright file, July 21, 2004 (Spiegel, Murray R. -1991, Spiegel, Murray R. -1992)

pmb: Opac Web site, July 21, 2004 (Murray R. Spiegel; b. 1943)

Análisis vectorial y una introducción al análisis tensorial, 1991: portada (Murray R.Spiegel)