@article{VMP_2009_10_4_a7,
     author = {A. V. Kryanev and G. V. Lukin and D. K. Udumyan},
     title = {Metric analysis and applications},
     journal = {Numerical methods and programming},
     pages = {408--414},
     year = {2009},
     volume = {10},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMP_2009_10_4_a7/}
}