Technische Universität Ilmenau, Ilmenau, Germany
Nuclear Physics Institute of the Czech Academy of Sciences Prague, Czech Republic
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Institute for Mathematics, National Academy of Sciences of Ukraine, Ukraine, Kyiv
Universität zu Lübeck, Lübeck, Germany
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Institute of Mathematics and Mathematical Modelling, Almaty, Kazakhstan
Institute of Applied Mathematics, Baku State University, Baku, Azerbaijan
Turin Polytechnic University Tashkent, Tashkent, Uzbekistan