Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DVMG_2018_18_2_a1, author = {V. A. Bykovskii}, title = {Integer {Somos-4} sequence with rational coefficients}, journal = {Dalʹnevosto\v{c}nyj matemati\v{c}eskij \v{z}urnal}, pages = {147--149}, publisher = {mathdoc}, volume = {18}, number = {2}, year = {2018}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DVMG_2018_18_2_a1/} }
V. A. Bykovskii. Integer Somos-4 sequence with rational coefficients. Dalʹnevostočnyj matematičeskij žurnal, Tome 18 (2018) no. 2, pp. 147-149. http://geodesic.mathdoc.fr/item/DVMG_2018_18_2_a1/