Stability and Controls Analysis for Delay Systems WANG, JINRONG (PROFESSOR, GUIZHOU UNIVERSITY, CHINA),FECKAN, MICHAL (COMENIUS UNIVERSITY IN BRATISLAVA, FACULTY OF MATHEMATICS, PHYSICS AND INFORMATICS, DEPARTMENT OF MATHEMATICAL ANALYSIS AND NUMERICAL MATHEMATICS, BRATISLAVA, SLOVAK REPUBLIC),LI, MENGMENG (LECTURER, GUIZHOU UNIVERSITY, CHINA)