@article{TAM_1975_1_1_a9, author = {A. A. Martynyuk}, title = {Decompositions and aggregation in systems analysis}, journal = {Theoretical and applied mechanics}, pages = {87 }, publisher = {mathdoc}, volume = {1}, number = {1}, year = {1975}, language = {en}, url = {http://geodesic.mathdoc.fr/item/TAM_1975_1_1_a9/} }