TY - JOUR AU - Stamov, G. TI - Application of Lyapunov's Direct Method to the Existence of Integral Manifolds of Impulsive Differential Equations JO - Serdica Mathematical Journal PY - 1996 SP - 83 EP - 90 VL - 22 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_1996_22_2_a1/ LA - en ID - SMJ2_1996_22_2_a1 ER -