@article{MZM_2008_84_4_a8,
     author = {L. A. Masal'tsev},
     title = {Isometric {Lagrangian} {Immersion} of {Horocycles} of the {Hyperbolic} {Plane} in {Complex} {Space}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {577--582},
     publisher = {mathdoc},
     volume = {84},
     number = {4},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2008_84_4_a8/}
}