@article{TRSPY_1965_78_a2,
     author = {Yu. N. Subbotin},
     title = {On the connection between finite differences and corresponding derivatives},
     journal = {Informatics and Automation},
     pages = {24--42},
     publisher = {mathdoc},
     volume = {78},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1965_78_a2/}
}