@article{TIMM_2016_22_4_a23,
     author = {Yu. N. Subbotin and S. A. Telyakovskii},
     title = {Uniform approximation of curvature of smooth planar curves},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {254--256},
     year = {2016},
     volume = {22},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2016_22_4_a23/}
}