@article{VMUMM_2008_2_a10,
     author = {O. D. Golubitsky and M. V. Kondrat'eva and A. I. Ovchinnikov},
     title = {Canonical characteristic sets of characterizable differential ideals},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {49--51},
     publisher = {mathdoc},
     number = {2},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2008_2_a10/}
}