[1] Tech Univ Lodz, Div Dynam, Stefanowskiego 1-15, PL-90924 Lodz, Poland
[2] Natl Acad Sci Ukraine, Inst Math, Tereshchenkivska St 3, UA-01030 Kiev, Ukraine
[3] Natl Acad Sci Ukraine, Ctr Med & Biotech Res, Tereshchenkivska St 3, UA-01030 Kiev, Ukraine
[4] Taras Shevchenko Natl Univ Kyiv, Volodymyrska St 60, UA-01030 Kiev, Ukraine