Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1969_187_6_a2, author = {N. P. Buslenko and I. N. Kovalenko}, title = {The mathematical description of elements of complex systems}, journal = {Doklady Akademii Nauk}, pages = {1222--1224}, publisher = {mathdoc}, volume = {187}, number = {6}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1969_187_6_a2/} }
N. P. Buslenko; I. N. Kovalenko. The mathematical description of elements of complex systems. Doklady Akademii Nauk, Tome 187 (1969) no. 6, pp. 1222-1224. http://geodesic.mathdoc.fr/item/DAN_1969_187_6_a2/