@article{JMAG_2007_3_2_a7,
     author = {A. Yampolsky},
     title = {Invariant totally geodesic unit vector fields on three-dimensional {Lie} groups},
     journal = {\v{Z}urnal matemati\v{c}eskoj fiziki, analiza, geometrii},
     pages = {253--276},
     year = {2007},
     volume = {3},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JMAG_2007_3_2_a7/}
}