@article{TRSPY_2010_269_a21,
     author = {V. O. Tonkov},
     title = {Approximation by {Bernstein} polynomials at the discontinuity points of derivatives},
     journal = {Informatics and Automation},
     pages = {265--270},
     year = {2010},
     volume = {269},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_2010_269_a21/}
}