MR1745307
Zakharin, Sergei F. and Parasyuk, Igor O.
Sergei F. ZAKHARIN and Igor O. PARASYUK
Generalized and classical almost periodic solutions of Lagrangian systems
Funkcialaj Ekvacioj. Serio Internacia
42
1999
325--338
http://fe.math.kobe-u.ac.jp/FE/FullPapers/vol42/fe42-3-1.pdf
http://fe.math.kobe-u.ac.jp/FE/FE_pdf_with_bookmark/FE41-45-en_KML/fe42-325-338/fe42-325-338.pdf
http://www.ams.org/mathscinet-getitem?mr=MR1745307
fe42-325-338
1999
Generalized and Classical Almost Periodic Solutions of Lagrangian Systems
ZAKHARIN, Sergei F.; PARASYUK, Igor O.
ZAKHARIN, Sergei F.; PARASYUK, Igor O.
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