@article{VMUMM_1989_6_a20,
     author = {V. A. Samsonov and M. A. Salmina},
     title = {On the theory of the rotation regulator},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {70--73},
     publisher = {mathdoc},
     number = {6},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1989_6_a20/}
}