Title information : Discrete and Continuous Dynamical Systems - Series S Issue data : Springfield (USA) : American Institute of Mathematical Sciences ISSN : ISSN 1937-1632. -- ISSN 1937-1179 (online) URL : http://aimsciences.org/journals/home.jsp?journalID=15 Document kind : periodiká References : \q2479**1 stu_us_cat*0010283*xjcp \q (2) - xjcp