TY  - JOUR
AU  - B. M. Levitan
AU  - M. G. Gasymov
TI  - Determination of a~differential equation by two of its spectra
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1964
SP  - 1
EP  - 63
VL  - 19
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1964_19_2_a0/
LA  - en
ID  - RM_1964_19_2_a0
ER  -