TY  - JOUR
AU  - I. T. Kiguradze
TI  - On monotone solutions of nonlinear ordinary differential equations of order $n$.
JO  - Izvestiya. Mathematics 
PY  - 1969
SP  - 1293
EP  - 1317
VL  - 3
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1969_3_6_a8/
LA  - en
ID  - IM2_1969_3_6_a8
ER  -