TY  - JOUR
AU  - M. A. Mustafin
TI  - The Riesz basis of the Bitsadze--Samarski{\v\i} spectral problem with infinitely multiple eigenvalues
JO  - Differencialʹnye uravneniâ
PY  - 1989
SP  - 172
EP  - 174
VL  - 25
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1989_25_1_a22/
LA  - ru
ID  - DE_1989_25_1_a22
ER  -