@article{VMUMM_1989_4_a8,
     author = {R. P. Kuzmina},
     title = {On the theorem of {Henri} {Poincar\'e}},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {35--38},
     publisher = {mathdoc},
     number = {4},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1989_4_a8/}
}