TY  - JOUR
AU  - Ustina, F.
TI  - The Hausdorff Means for Double Sequences
JO  - Canadian mathematical bulletin
PY  - 1967
SP  - 347
EP  - 352
VL  - 10
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1967-031-1/
DO  - 10.4153/CMB-1967-031-1
ID  - 10_4153_CMB_1967_031_1
ER  -