Elsholtz L.E. Ordinary differential equations. In Russian /Elsgolts L.E. Obyknovennye differentsialnye uravneniya. Second Edition. Moscow Publishing House of Techno-Theoretical Literature. 1954. 240 p. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalb384f65d49879bf0e.