Date entered into revision: 20th September 2009 Technical characteristics Nominal Metal Mass, g Diameter, mm Category of quality carbuvannya Gurt Actual circulation, pcs. 2 nickel silver 12.8 31.0 special uncirculated corrugations 35000 Serii: Kind of specialties of Ukraine The 100th anniversary of the birth of Mykoly Bogolyubov - one of the forerunners of the scientific mechanics of mechanics, the founder of the school of statistical non-linear science. The extraordinary scientific talent of Mikoli Mikolajovych gave him the power to be healthy and important for the whole science of science in children. This name has been awarded by the Institute of Theoretical Physics of the National Academy of Sciences of Ukraine.