@article{IVM_1991_2_a13,
     author = {S. P. Milovidov and A. I. Povolotskii},
     title = {Dual spaces of conditional {K\"othe} spaces of double numerical sequences},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {90--91},
     publisher = {mathdoc},
     number = {2},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1991_2_a13/}
}