@article{10_4153_CJM_1993_007_x,
     author = {Ohyama, Yoshiyuki},
     title = {On the {Minimal} {Crossing} {Number} and the {Braid} {Index} of {Links}},
     journal = {Canadian journal of mathematics},
     pages = {117--131},
     year = {1993},
     volume = {45},
     number = {1},
     doi = {10.4153/CJM-1993-007-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1993-007-x/}
}