@article{TRSPY_1997_214_a9,
     author = {L. D. Kudryavtsev},
     title = {Traces of functions defined by series of second differences},
     journal = {Informatics and Automation},
     pages = {194--220},
     publisher = {mathdoc},
     volume = {214},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1997_214_a9/}
}