@article{VSPUI_2021_17_3_a5,
     author = {R. M. Ospanov and Ye. N. Seitkulov and N. M. Sissenov and B. B. Yergaliyeva},
     title = {An example of an internal function for the {SPONGE} scheme},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {287--293},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2021_17_3_a5/}
}