@article{IM2_1989_32_2_a7,
     author = {L\^e H\^ong V\^an},
     title = {Minimal surfaces in homogeneous spaces},
     journal = {Izvestiya. Mathematics },
     pages = {413--427},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1989_32_2_a7/}
}