@article{VMUMM_2005_5_a12,
     author = {N. A. Tennova},
     title = {A criterion of affine closeness of homogeneous spaces of solvable groups},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {67--70},
     year = {2005},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2005_5_a12/}
}