Numerical-analytic methods of investigating periodic solutions /
Samoilenko, A. M.
Ronto, N. I.
Shokurov, Vladimir.
Moscow Mir Publishers [London] [Distributed by Central Books]
1979
Translation and revision of: 'Chislenno-analiticheskie metody isslesdovaniia periodicheskikh resheniĭ'. Moskva : Vysshaia Shkola, 1976
Bibliography: p.170-183
Differential equations, Nonlinear