@article{10_4153_CMB_2005_032_0,
     author = {Andruchow, Esteban},
     title = {Short {Geodesics} of {Unitaries} in the {L} 2 {Metric}},
     journal = {Canadian mathematical bulletin},
     pages = {340--354},
     year = {2005},
     volume = {48},
     number = {3},
     doi = {10.4153/CMB-2005-032-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2005-032-0/}
}