@article{AA_1996_8_5_a2,
     author = {I. A. Arshinova and S. V. Buyalo},
     title = {Metrics with upper-bounded curvature on 2-polyhedra},
     journal = {Algebra i analiz},
     pages = {163--188},
     year = {1996},
     volume = {8},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1996_8_5_a2/}
}