@article{SJIM_2015_18_2_a0,
     author = {A. L. Ageev and T. V. Antonova},
     title = {Methods for the approximating the discontinuity lines of a~noisy function of two variables with countably many singularities},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {3--11},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2015_18_2_a0/}
}