@article{VMUMM_2008_3_a6,
     author = {I. V. Mykytyuk and A. M. Stepin},
     title = {A remark on equivariance of a moment mapping},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {30--33},
     publisher = {mathdoc},
     number = {3},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2008_3_a6/}
}