@article{VNGU_2007_7_1_a3,
     author = {E. S. Kornev},
     title = {Left-invariant almost complex structures and the associated metrics on four-dimensional {Lie} groups},
     journal = {Sibirskij \v{z}urnal \v{c}istoj i prikladnoj matematiki},
     pages = {33--54},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VNGU_2007_7_1_a3/}
}