@article{MZM_2009_86_3_a6, author = {V. F. Kirichenko and E. A. Pol'kina}, title = {A {Criterion} for the {Concircular} {Mobility} of {Quasi-Sasakian} {Manifolds}}, journal = {Matemati\v{c}eskie zametki}, pages = {380--388}, publisher = {mathdoc}, volume = {86}, number = {3}, year = {2009}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2009_86_3_a6/} }