TY  - JOUR
AU  - V. V. Dubrovskii
TI  - A~remark on a~theorem of M.\,V.~Keldysh
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1994
SP  - 159
EP  - 160
VL  - 49
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1994_49_4_a11/
LA  - en
ID  - RM_1994_49_4_a11
ER  -