@article{IM2_2010_74_4_a2,
     author = {V. V. Volchkov and Vit. V. Volchkov},
     title = {On a problem of {Berenstein--Gay} and its generalizations},
     journal = {Izvestiya. Mathematics },
     pages = {691--721},
     publisher = {mathdoc},
     volume = {74},
     number = {4},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2010_74_4_a2/}
}