@article{VMJ_2007_9_2_a2,
     author = {A. G. Kusraev},
     title = {When all separately band preserving bilinear operators are symmetric?},
     journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal},
     pages = {22--25},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VMJ_2007_9_2_a2/}
}