An integral equation associated with linear homogeneous differential equations. Bose, A.K. — 1986 International Journal of Mathematics and Mathematical Sciences
On the periodic solutions of linear homogeneous systems of differential equations. Bose, A.K. — 1982 International Journal of Mathematics and Mathematical Sciences
Sufficient conditions for two-dimensional point dissipative nonlinear systems. Bose, A.K.; Reneke, J.A. — 1989 International Journal of Mathematics and Mathematical Sciences