TY  - JOUR
AU  - A. B. Budak
AU  - V. N. Denisov
TI  - Some properties of characteristic functions of the Sturm--Liouville operator with discontinuous coefficients
JO  - Matematičeskie zametki
PY  - 1987
SP  - 819
EP  - 830
VL  - 42
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1987_42_6_a5/
LA  - ru
ID  - MZM_1987_42_6_a5
ER  -