TY  - JOUR
AU  - S. Siudut
TI  - A theorem of the Romanovski type for double singular integrals
JO  - Commentationes Mathematicae
PY  - 1989
SP  -  355
EP  - 359
VL  - 28
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.14708/cm.v28i2.6245/
DO  - 10.14708/cm.v28i2.6245
LA  - pl
ID  - 10_14708_cm_v28i2_6245
ER  -