@article{FAA_1996_30_2_a9,
     author = {M. I. Kadets},
     title = {Absolute, {Perfect,} and {Unconditional} {Convergence} of {Double} {Series}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {85--86},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1996_30_2_a9/}
}