@article{MT_2005_8_1_a2,
     author = {E. V. Nikitenko and Yu. G. Nikonorov},
     title = {Six-Dimensional {Einstein} {Solvmanifolds}},
     journal = {Matemati\v{c}eskie trudy},
     pages = {71--121},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_2005_8_1_a2/}
}