1 "The gradient structure of a flow" 8 11-26, 1988
2 "Stability Theory of Dynamical Systems" 1970.
3 "Some properties of invariant sets of a flow" 11 : 2319-2323, 2000
4 "Oscillation and global attractivity in a periodic delay hematopoiesis model" 13 (13): 27-36, 2003
5 "Dynamics of a class of non-autonomous Systems of twonon-interacting preys with common predator" 17 (17): 195-215, 2005
1 "The gradient structure of a flow" 8 11-26, 1988
2 "Stability Theory of Dynamical Systems" 1970.
3 "Some properties of invariant sets of a flow" 11 : 2319-2323, 2000
4 "Oscillation and global attractivity in a periodic delay hematopoiesis model" 13 (13): 27-36, 2003
5 "Dynamics of a class of non-autonomous Systems of twonon-interacting preys with common predator" 17 (17): 195-215, 2005