TY  - JOUR
AU  - Zhitao Guo
TI  - Bilateral upper-left shifts on double sequence spaces
JO  - Filomat
PY  - 2022
SP  - 2573 
VL  - 36
IS  - 8
UR  - http://geodesic.mathdoc.fr/articles/10.2298/FIL2208573G/
DO  - 10.2298/FIL2208573G
LA  - en
ID  - 10_2298_FIL2208573G
ER  -