Chikhichin Yury S. RussiaSaratovSaratov State University, 83 Astrakhanskaya St., Saratov 410012, RussiaPostgraduate Student at the Department of International Relations and Russian Foreign Policyurchih@mail.ru Author's articles Approaches of G. Bush-senior and B. Clinton Administrations to the Problem of Nuclear Disarmament of Ukraine in the Period of 1992–1996