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About the National Academy of Sciences of Ukraine
History of the National Academy of Sciences of Ukraine
100th anniversary of the National Academy of Sciences of Ukraine
Awards and honors of the National Academy of Sciences of Ukraine
Personal composition
Paton Foundation
Virtual tour of the National Academy of Sciences of Ukraine
Presidium of NASU
Apparatus of the Presidium
Councils, committees and commissions
Scientific centers of the Ministry of Education and Science of Ukraine and the National Academy of Sciences of Ukraine
Institutions under the Presidium
Non-governmental organizations
Section of Physical and Mathematical sciences
Department of Mathematics
Department of Informatics
Department of Mechanics and Mechanical Engineering
Department of Physics and Astronomy
Department of Earth Science
Department of Materials Science
Department of Energy and Energy Technologies
Department of Nuclear Physics and Energy
Section of Chemical and Biological sciences
Department of Chemistry
Department of Biochemistry, Physiology and Molecular Biology
Department of General Biology
Section of Social sciences and Humanities
Department of Economics
Department of History, Philosophy and Law
Department of Literature, Language and art History
General meetings of the National Academy of Sciences of Ukraine
Annual reports of the National Academy of Sciences of Ukraine
Scientific publications and publishing activities
Protection of intellectual property rights and technology transfer in scientific institutions
Scientific objects that are national property
Centers for the collective use of instruments of the National Academy of Sciences of Ukraine
Office for evaluation of activities of scientific institutions
Open science at the National Academy of Sciences of Ukraine
Work with youth
Membership in international organizations
International agreements
International programs and competitions
About Academy
Materials
Activity
International cooperation

Stieklov Oleksii F.

Candidates of sciences (PhD, physics & mathematics)
Senior researcher
The Main Astronomical Observatory of the National Academy of Sciences of Ukraine
Senior Research Fellow