V. I. Guţu, “Periodic solutions of one-dimensional and two-dimensional systems of differential equations with impulses”, Differ. Uravn., 26:5 (1990), 904–906
1989
2.
S. A. Bogatyi, V. I. Guţu, “On the structure of attracting compacta”, Differ. Uravn., 25:5 (1989), 907–909
Contact us: