@article{01283575, title = {Mathematical theory of improvability of production systems.}, journal = {Mathematical Problems in Engineering}, volume = {1}, year = {1995}, pages = {95-137}, doi = {10.1155/S1024123X9500010X}, zbl = {0919.90071}, language = {en}, url = {http://dml.mathdoc.fr/item/01283575} }
Jacobs, David; Meerkov, Semyon M. Mathematical theory of improvability of production systems.. Mathematical Problems in Engineering, Tome 1 (1995) pp. 95-137. doi : 10.1155/S1024123X9500010X. http://gdmltest.u-ga.fr/item/01283575/