TY  - JOUR
AU  - A. S. Kalashnikov
TI  - Increasing solutions of linear second-order equations with nonnegative characteristic form
JO  - Matematičeskie zametki
PY  - 1968
SP  - 171
EP  - 178
VL  - 3
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1968_3_2_a6/
LA  - ru
ID  - MZM_1968_3_2_a6
ER  -