TY  - JOUR
AU  - A. V. Osipov
TI  - The hyperbolicity of a basic family for Levinson's equation
JO  - Differencialʹnye uravneniâ
PY  - 1975
SP  - 1795
EP  - 1800
VL  - 11
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1975_11_10_a8/
LA  - ru
ID  - DE_1975_11_10_a8
ER  -