TY  - JOUR
AU  - M. I. Belishev
TI  - Inverse spectral indefinite problem for the equation $y''+\lambda p(x)y=0$ on an interval
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1987
SP  - 68
EP  - 69
VL  - 21
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1987_21_2_a7/
LA  - ru
ID  - FAA_1987_21_2_a7
ER  -