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@article{DAN_1968_178_1_a10, author = {V. N. Fomin}, title = {The dynamic instability of linear systems with almost periodic coefficients}, journal = {Doklady Akademii Nauk}, pages = {43--46}, publisher = {mathdoc}, volume = {178}, number = {1}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_178_1_a10/} }
V. N. Fomin. The dynamic instability of linear systems with almost periodic coefficients. Doklady Akademii Nauk, Tome 178 (1968) no. 1, pp. 43-46. http://geodesic.mathdoc.fr/item/DAN_1968_178_1_a10/