TY  - JOUR
AU  - A. Ya. Lepin
AU  - V. D. Ponomarev
TI  - On a positive solution of a three-point boundary value problem
JO  - Differencialʹnye uravneniâ
PY  - 2006
SP  - 272
EP  - 274
VL  - 42
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_2006_42_2_a15/
LA  - ru
ID  - DE_2006_42_2_a15
ER  -