TY  - JOUR
AU  - Bartušek, Miroslav
TI  - Monotonicity theorems for second order non-linear differential equations
JO  - Archivum mathematicum
PY  - 1980
SP  - 127
EP  - 135
VL  - 16
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ARM_1980__16_3_a0/
LA  - en
ID  - ARM_1980__16_3_a0
ER  -