@article{AA_2017_29_1_a7,
     author = {N. Lebedeva and A. Petrunin},
     title = {On the total curvature of minimizing geodesics on convex surfaces},
     journal = {Algebra i analiz},
     pages = {189--208},
     year = {2017},
     volume = {29},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AA_2017_29_1_a7/}
}