Antonenko Nina Nikolayevna RussiaЗапорожье Zaporozhye National Technical University, 64, Zhukovsky st., 69063, Zaporizhzhya, Ukraine старший преподаватель кафедры общей математикикандидат физико-математических наукantonenkonina@i.ua Author's articles The Problem of a Longitudinal Crack with a Filler in a Strip Mathematical Models of Stability Loss of Nonuniform Cylindrical Shells Because of Nonuniform Radial Loading