I am looking for some 60's Russian literature. I have found citations of the sources, but I cannot find places to access them. The university library said they cannot help me. I would appreciate any help in locating these papers, either in their original Russian language or in a translation. Here are the citations:
[1] E.L. Burshtein and L.S. Solov'ev, The Hamiltonian of averaged motion, Dokl. Akad. Nauk SSSR 139 (1961), 855-858; English transl. in Soviet Math. Dokl. 2 (1961).
[2] V.P. Vcherashnyuk, On the question of integrability of canonical equations with the help of the principle of averaging, in: Proc. Scientific Conference, Inst. Math., Ukrainian Academy of Sciences, Kiev 1963, pp. 20-24. (Russian)
[3] A.M. Fedorchenko, The method of canonical averaging in the theory of non-linear oscillations, Ukrain. Mat. Zh. 9 (1957), 220-224.
All three are cited in A M Samoilenko 1994 Russ. Math. Surv. 49 109
I know the stackexchange is not really meant for this question. So, if you know a place on the internet where this would be more relevant, please let me know. Thanks in advance.