TY  - JOUR
AU  - J. Hay
TI  - On Necessary Conditions for the Existence of Local Solutions to Singular Nonlinear Ordinary Differential Equations and Inequalities
JO  - Matematičeskie zametki
PY  - 2002
SP  - 924
EP  - 935
VL  - 72
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2002_72_6_a12/
LA  - ru
ID  - MZM_2002_72_6_a12
ER  -