@article{AA_2005_17_1_a1,
     author = {A. I. Bobenko and D. Matthes and Yu. B. Suris},
     title = {Nonlinear hyperbolic equations in surface theory: integrable discretizations and approximation results},
     journal = {Algebra i analiz},
     pages = {53--83},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AA_2005_17_1_a1/}
}