TY  - JOUR
AU  - Yu. N. Valitskii
TI  - A four-point problem for a differential equation in a Banach space
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1981
SP  - 69
EP  - 70
VL  - 15
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1981_15_4_a6/
LA  - ru
ID  - FAA_1981_15_4_a6
ER  -