@article{TIMM_2019_25_3_a1,
     author = {A. L. Ageev and T. V. Antonova},
     title = {On the localization of nonsmooth discontinuity lines of a function of two variables},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {9--23},
     year = {2019},
     volume = {25},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2019_25_3_a1/}
}