@article{MZM_1981_29_4_a9,
     author = {A. L. Zil'berg and S. V. Matveev},
     title = {Relations in the homeotropy group of a complete pretzel and the group of plat braids},
     journal = {Matemati\v{c}eskie zametki},
     pages = {567--575},
     publisher = {mathdoc},
     volume = {29},
     number = {4},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1981_29_4_a9/}
}