TY  - JOUR
AU  - B. G. Pachpatte
TI  - Integral Perturbations of Nonlinear Systems of Differential Equations
JO  - Ευκλείδης Γ
PY  - 1987
SP  - 92
EP  - 97
VL  - 14
UR  - http://geodesic.mathdoc.fr/item/EUG_1987_14_a9/
LA  - gr
ID  - EUG_1987_14_a9
ER  -