http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Some problems in the theory of nonlinear oscillations
Translation of Nekotory zadachi teorii nelineinykh kolebanne.
[Oak Ridge, Tenn.] U.S. Atomic Energy Commission, Technical Information Service [1959]
Translation series (U.S. Atomic Energy Commission) ; AEC-tr-3766