@article{MZM_2015_97_4_a12, author = {O. N. Biryukov}, title = {Closed-Form {Expression} for the {Braid} {Entropy} in the {Group} $B_3$}, journal = {Matemati\v{c}eskie zametki}, pages = {629--631}, publisher = {mathdoc}, volume = {97}, number = {4}, year = {2015}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2015_97_4_a12/} }