RT Journal Article SR Electronic A1 MACUROVÁ, Anna A1 MACURA, Dušan T1 ABOUT SOLUTIONS OF THE NONLINEAR DIFFERENTIAL SYSTEMS JF Trends in education YR 2008 VO 1 IS 1 SP 571 OP 573 UL https://tvv-journal.upol.cz/en/artkey/tvv-200801-0133.php AB In the article are defined some properties of the solutions systems differential equations.