TY  - JOUR
AU  - Kh. K. Ishkin
TI  - On continuity of the spectrum of a~singular quasi-differential operator with respect to a~parameter
JO  - Eurasian mathematical journal
PY  - 2011
SP  - 67
EP  - 81
VL  - 2
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EMJ_2011_2_3_a3/
LA  - en
ID  - EMJ_2011_2_3_a3
ER  -