@article{00022393,
title = {An optimal control problem in economics.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {14},
year = {1991},
pages = {537-544},
doi = {10.1155/S016117129100073X},
zbl = {0755.90017},
language = {en},
url = {http://dml.mathdoc.fr/item/00022393}
}
Highfill, Jannett; McAsey, Michael. An optimal control problem in economics.. International Journal of Mathematics and Mathematical Sciences, Tome 14 (1991) pp. 537-544. doi : 10.1155/S016117129100073X. http://gdmltest.u-ga.fr/item/00022393/