TY  - JOUR
AU  - A. A. Stakun
TI  - On the properties of a differential operator with a multiple turning point
JO  - Differencialʹnye uravneniâ
PY  - 1987
SP  - 993
EP  - 999
VL  - 23
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1987_23_6_a7/
LA  - ru
ID  - DE_1987_23_6_a7
ER  -