@article{AA_2017_29_1_a2,
     author = {D. Burago and S. Ivanov and A. Novikov},
     title = {A survival guide for feeble fish},
     journal = {Algebra i analiz},
     pages = {49--59},
     publisher = {mathdoc},
     volume = {29},
     number = {1},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AA_2017_29_1_a2/}
}