TY  - JOUR
AU  - A. Canoglu
AU  - D. P. Allahverdiev
TI  - Extensions of a Symmetric Second-Order Differential Operator
JO  - Mathematica balkanica
PY  - 1998
SP  - 271
VL  - 12
IS  - 3-4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MABA_1998_12_3-4_a1/
ID  - MABA_1998_12_3-4_a1
ER  -