@article{MZM_2011_90_5_a0,
     author = {A. V. Aristarkhova and V. F. Kirichenko},
     title = {Contact {Self-Dual} {Geometry} of {Quasi-Sasakian} {5-Manifolds}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {643--658},
     publisher = {mathdoc},
     volume = {90},
     number = {5},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2011_90_5_a0/}
}