Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1958_5_a13, author = {A. A. Lyapunov}, title = {On mathematical problems of cybernetics}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {166--174}, publisher = {mathdoc}, number = {5}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1958_5_a13/} }
A. A. Lyapunov. On mathematical problems of cybernetics. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 5 (1958), pp. 166-174. http://geodesic.mathdoc.fr/item/IVM_1958_5_a13/